What are QR Codes

QR code used in a newspaper to link to its mobile site

A QR Codes is a two-dimensional monochrome barcode that is designed to house a long text string. This may represent contact details or Wi-Fi network parameters but is commonly used to provide a link to a Web-hosted resource. These barcodes may be printed on a newspaper, business card or flyer; or even shown on a Website; the latter method being used to show links to software for the Android platform.

Typically, a person who has a mobile phone equipped with a QR-code reader app can then just point the phone’s camera to the barcode and “take a picture” of that barcode. This then leads to the contact details being put in their contact list or the user being taken to the Web site or Web-hosted resource. This function has even been extended to supplying GPS coordinates to a device for navigation (think of geocaching) or, in the case of Android phones, supplying Wi-Fi service parameters to these phones as part of provisioning hotspot service.

A QR code as used on a poster to advertise this site

They are popular in Europe especially with cafes and restaurants but are slowing increasing in popularity in other countries. As well, some commentators have described the QR code as a way of providing a machine-readable hyperlink in the field. It is also worth having a look at various QR-code blogs like this one so you can know what the trend is about.

Infact, when I promote HomeNetworking01.info using posters or business cards, I make sure there is a QR code pointing to the site so that people can use their phones to head to the site.

Why QR codes for your organisation

One major benefit that QR codes have for your print-based campaigns is that you can insert a direct link to your Webpage or a resource on that Webpage. Your audience then can visit that resource without having to memorise a URL or transcribe the URL in to the phone using a small touchscreen keyboard or SMS-style with the phone keypad.

The QR code is better than using Bluetooth transmitters to provide content. This is because the user isn’t likely to be annoyed with “accept this” Bluetooth responses from these transmitters when they come in to range of the transmitters. As well, the user doesn’t have to remember how to enable or disable Bluetooth discovery mode on their device. As well you don’t need to make sure there is a transmitter at the advertisement and make sure there is power to the transmitter, which can make the QR code acceptable even for posters on that noticeboard or shop door.

It is also better than using any of the proposed “near-field communication” technology for linking to Web resources because you don’t need to buy and integrate near-field transmitters in your promotional materials for the technology to work.

Direct Link to deep Web resources

You may want to provide a sound clip, video or PDF file to your mobile users. As well, you may want to link the user to a particular Web page about a product or promotion. But mobile users may find these resources difficult to gain access to on your site because of being required to enter a long URL into that numeric or small alphabetic keypad.

The QR code can provide the direct link to your campaign page, PDF file or audiovisual resource in a manner that is ready to download “there and then”. If the resource is a YouTube video, you can provide the link to the video clip as it appears on YouTube and the site or local YouTube client can open when the QR code is scanned.

Appropriate for the Social Web

Here, the QR code can augment your Social Web campaign because most active Social-Web users tend to work their Facebook or Twitter presence more from their smartphones. This is especially as I have noticed a lot of small businesses promote their Facebook presence online through posters and flyers that have the “Like us on Facebook” slogan.

What a simplified way of doing this by pointing the latest ultra-cool iPhone to the QR code on the poster attached to the trendy cafe’s espresso machine or refrigerated display cabinet in order to “like” that cafe on Facebook. It certainly makes it certain that you are seen with that iPhone.

Reading QR Codes

Some mobile-phone carriers and manufacturers will supply a QR-code reader with their Internet-enabled camera phones. But iPhone, Android, Blackberry and Windows Phone 7 users can come across many free QR-code readers at their platform’s app store. One example that comes to mind is the free i-Nigma which started becoming available for the iOS platform but lately became available for the Android and Blackberry platform. There are others like Barcode Scanner for the Android platform, BeeTag for the Blackberry platform and ScanLife for most of the platforms.

A main difference that may sort the “sheep from the goats” as far as QR-code reader programs go is whether they can read a light-coloured QR code that is printed on a dark surface. Similarly, there may be differences in how well a difficult-to-read code like a double-sided sign that is backlit can be understood.

At the moment, most QR-code readers are pitched at handheld mobile phones for immediate viewing of the resources on these devices. But it could be feasible to provide “capture-store-sync” transfer of Web URLs or downloaded resources to desktop operating systems or tablet computers as a feature of a QR-code reader. This could then allow a person to view the Web site on their laptop computer using their favourite Web browser at a later time.  It would also be of importance with QR codes being used for presenting Wi-Fi network parameters to Android phones, where the same parameters can be passed up to a laptop and integrated in to the Wi-Fi networks list for that computer.

Preparing QR codes

There are many QR-code generator sites and programs, most of which are free to use. Typically these sites may allow you to provide a URL to a resource as the input text or prepare contact details. A good resource to start from is this blog’s list of the top 10 free QR-code generating sites. As well, i-Nigma also offer a free QR-code generating page as well as their QR-code reader. Yet another resource is the QReateBUZZ Webpage which I have used for the QR codes for promoting this site.

These codes can be yielded as a small, medium or large size. Here, you could use a small size code for business cards and flyers here you don’t have much room or just want a discreet code on the corner of the poster. You could then use the larger sizes if you want people to notice that there is a QR code in the signage’s artwork or need to be far from the artwork to scan it.

Most sites will yield high-resolution PNG or JPEG bitmaps but some may yield EPS Postscript files or PDFs that are vector-images of the QR codes. You typically will then copy-and-paste or import the mage in to your artwork. As well, a lot of the sites will generate a JPEG image that you copy from the site using Ctrl-C / Command-C and paste to your artwork using Ctrl-V / Command-V.

Of course, there are some desktop QR-code generator programs which will run on a regular computer but most of these are Windows-only and a lot of them are offered at “large-business” prices.

It is still good practice to work with dark-graphics-against-light codes because most QR-code readers cannot work effectively with light-graphics-against-dark at the moment. If you are setting a QR code on a dark background, you could use the dark graphic on a light background and have a distinct light-background margin around that barcode.

Conclusion

Once you explore the creation and use of QR codes as part of your online and offline marketing strategy especially where you have online resources

Articles

thinkbroadband :: Fibre Only Exchange trial candidate locations released

BT to trial fibre-only rural broadband exchange | uSwitch.com Broadband News

My comments

This is a very interesting direction that will come about as the next-generation broadband Internet service evolves.

At the moment, a typical next-generation broadband service will be based around central-office exchanges that serve and support copper and fibre-optic infrastructure for all communications. This allows for integration with copper-technology services such as PSTN voice / ADSL data.

The newer fibre-only exchanges will operate on fibre-optic infrastructure only with Fibre Ethernet backhaul and FTTH / FTTP fibre-optic service to the customers. The primary advantage of this setup would be to achieve higher throughput for the data that the high-bandwidth technology would provide.

The BT Openreach trial is primarily focused on new exchanges rather than converting existing exchanges to fibre-only operation. It is to assess how much it would cost to switch to fibre-only operation for existing exchanges or go “all-out” fibre-only for new or replacement exchanges. Such a trial could also be used for “infill” exchanges in dense urban areas or to satisfy new developments in potential “Silicon-Valley” areas around universities.

A good question about these exchanges is whether a “fibre-only” exchange could work with a part-fibre part-copper setup like a VDSL2-based fibre-to-the-cabinet or fibre-to-the-building setup.

Introduction

I am reviewing the Dell 1130n compact monochrome laser printer which is Dell’s own effort at a compact monochrome laser business printer similar to the Brother HL-2230 series of compact monochrome laser printers. This unit is network-enabled for Ethernet but doesn’t use auto-duplex printing.

It can be ordered directly from Dell at their site by clicking this link.

Prices

Printer

Recommended Retail Price: $229

Inks and Toners

The printer itself

Computer functions

The software was very quick and trouble-free to install. As well, it didn’t slow the computer down during print jobs. There is a print-monitor function for direct-connect and network-connect setups but this only comes in to play when there is an error condition. It can be started independently of a print job or error condition if you want to check on things like toner level for example and is effectively the printer’s dashboard.

Use

The integrated toner-drum print cartridge that this printer takes

The toner cartridge is different from that used in the Brother compact printers in that it is an integrated toner / drum-unit cartridge similar to what happens with HP LaserJet printers. For this kind of integrated print cartridge, there is the availabliity of a high-capacity cartridge as well as a standard-capacity cartridge which allows for scalability to suit one’s needs and budget.

Like most of these laser printers, the Dell 1130n doesn’t have a “fuel-gauge” on the machine so you can know how much toner is left. This “fuel gauge” is part of the print monitor application which is the printer’s dashboard.

It only takes a few seconds for the printer to turn out a document, whether it is a photograph or a text document. It will work in an ideal manner with large document runs after 100-150 pages, where there will be less of the paper-curling. As for page turnout, it lives up to the specification for the pages-per-minute with pages coming out very quickly.

Print quality

The printer does yield very sharp crisp text for document printout, which would be acceptable for business work; and is very typical of most lasers. Even a mixed-mode document with graphics and text does come out very crisply.

I have printed one of my photos using the two print-quality settings and when you use the “Best” print quality, you see a sharper image. The images come out darker than the HP LaserJet M1536dnf multifunction monochrome laser but very similar to what has emerged from the Brother HL2240d compact monochrome laser. At least the best-quality image available from this compact monochrome laser was true to what would be seen in a newspaper or on a black-and-white TV.

Limitations and Points Of Improvement

There is no distinct “fall-to-sleep” mode where only one small light glows if there are long periods of inactivity. As well, this printer lacks an automatic duplexer which permits and encourages double-sided printing.

As well, a very common problem with all Dell printers is the ability to know where to get consumables beyond ordering them directly through Dell. This may be of importance if you run the printer “to the edge” and need to stock up on supplies during an urgent project. It should be feasible that you could buy toner cartridges at “bricks-and-mortar” shops like stationers or newsagents as well as online through Dell.

Conclusion and Placement Notes

I would recommend this printer as being suitable for a reception-desk invoice printer at a business like a clinic who has growth aspirations. The scalability offered by the availability of a high-capacity print cartridge as well as a standard print cartridge, as well as network connectivity, can allow the business to “start small” with cheaper cartridges then grow to the higher-capacity cartridges. In the case of a clinic, this can cater for a situation where there are one or two doctors practising but allow for the situation where more of the professionals start to practise at that same location.

If you are wanting to save money by buying the Dell 1130 which is the cheaper direct-connect-only version of this printer, I would suggest that you go for this model because it would be worth it to keeep going.. This is because when you run out of toner on the cheaper model, you could effectively buy another of that model whereas you could complete two of hte high-capacity toner cartridges to spend the equivalent on keeping it going.

Articles

World Wide Web turns 20, finally shakes that acne problem | Engadget

The Web Is 20 Years Old Today | TechCrunch

My Comments

What happened in computing before the Web

Since the home computer came on the scene in the 1970s, there were previous efforts to present information on these computers in a navigable form. This was achieved through the use of dedicated computer programs that were written for this task. These programs became important when the modem, which facilitated computer-to-computer communications over the telephone, came on the scene through 1980.

The main examples of these were the bulletin-board systems and “videotex / viewdata” systems which used the computer as a terminal. They typically provided a forum functionality and an information display which allowed people to bring up pages of information. But they were often difficult to operate unless you were a diehard computer nerd.

Apple was one of many companies who tried to popularise the concept of hyperlinking information where one could click on an item of information and be led to another related item of information. They did this with a program called “HyperCard” which allowed the user to link between various “cards” of information, whether in the same deck or another deck.

There were even attempts to provide indexable information for computer systems, including networked computers by using indexing software like “Isys”. These programs crawled collections of word-processing documents, spreadsheets and the like and created an index which could be searchable and the results viewed in an elementary form.

The establishment of the Web

After 1991, various universities worked towards establishing two standards that were critical to the establishment of the Web. These were “HTTP” (HyperText Transport Protocol), an efficient file-transfer protocol which allowed text to be delivered as a stream suitable for hyperlinking; and “HTML” which was a way of marking up text files to permit formatting or hyperlinking of information.

These worked hand in glove with the Internet and there was a clear advantage that one could link to information using a standard “Uniform Resource Locator” or “URL”. This link could point to file on any computer in the world on the Internet. All it required was the use of a program called a “Web Browser” and the first of these was “Lynx” which worked with text-based terminals. With this one, users had to enter a number pointing to the desired link they wanted to follow.

But, as the Internet became popular, there was the rise of the graphical Web browser which was in the form of Netscape Navigator. This became more intense with Windows 95 having integrated Internet functionality and Microsoft releasing Internet Explorer for this platform.

The Web as an integral part of computing

This led the World Wide Web to become the Internet’s killer application in a similar vein to how pre-recorded video movies being available for hire through video stores became the video cassette recorder’s killer application in the 1980s. We now started to talk of home pages and of “surfing the Web” or “surfing the Net” as an activity.

The Web has also provided support for a universal interface for every sort of computer-driven activity, whether browsing and searching for information, managing one’s email or doing one’s banking and shopping online. It had then led to the boom-bust cycle that was known as the “dot-com” era where companies could set up behind a Web page with a “dot-com” name and make money out of the domain names or the goods and services they could sell online.

As the Web matured, the ability to provide snazzier presentation on the Web sites allowed media companies to work on snazzier home pages, which ended up becoming “portals” that featured news and other information. These became the jump points for people to start their Web-browsing sessions from and they ended up also offering task-specific features like Web-based mail and messaging.

It also led on to the growth of the “Social Web” which is driven by the end user. This is in the form of Web logs or “blogs” which are effectively micro-journals; or social networks like Facebook where one can interlink with other like-minded people.

Even the way the Web is viewed has changed from since it first started. Previously, it was viewed on a regular desktop or laptop computer. Now the last five years has seen the Web being viewed on mobile phones, especially smartphones like the Apple iPhone; tablet computers like the Apple iPad and now the television screen with the new generation of “smart TVs” and video peripherals like Blu-Ray players or games consoles.

Conclusion

The World Wide Web has become one of the major cornerstones for the connected lifestyle by popularising access to online information and commerce, and simply popularising the Internet iteself.

Happy 20th Birthday World Wide Web

Article

Apple releases Lion Recovery Disk Assistant, asserts its dominance over Snow Leopard | Engadget

Resource Links – Apple Support

Apple Lion Recovery Disk Assistant

Further Details

My Comments

Now that Apple are distributing the “Lion” version of the MacOS X operating system in an online manner, you may think of how you may be able to do a bare-metal recovery of your Macintosh computer. This is where the computer has a hard disk on board but it doesn’t have the operating system to work from. This is because there is no physical disk that came with the upgrade which you can install from when you need to reinstall the operating system.

Now Apple have provided a recovery disk program that allows you to create the recovery image on to an external disk like a USB memory key or a USB external hard disk. It avoids the need to reuse Snow Leopard (which may be on an install DVD) in order to download Lion again as part of the recovery process.

Normally, an upgrade to MacOS X Lion would create a recovery partition on the Mac’s system disk. This wouldn’t be good enough if that hard disk crashed. When you run this utility, you create a copy of the same recovery partition on an external disk which you can then boot from during a bare-metal install or system rebuild.

Like the internal copy, this would allow you to do a “ground-zero” OS install, reinstall from a Time Machine backup, use MacOS Disk Utility to check and repair the hard disk as well as use Safari to visit Web-based resources.

When you prepare the Recovery Disk, you would have to create a separate partition (logical disk) on the same USB physical disk which should be greater than 1Gb. As well, the Mac should have a Recovery HD partition created on it during the Lion OS install or upgrade. This is because the Recovery Disk Assistant formats the drive to create the partition. As well, the partition will be hidden from view when you use the file-system utilities like Finder or Disk Utility.

It will come in to play when you have the external disk connected to the Mac and you reboot it while holding down the Option key. Here, the new Recovery partition will be listed as an option in the Mac’s “Startup Manager” boot menu.

Introduction

I am reviewing the Toshiba Portege R830 series of ultraportable notebook computers which is targeted at business users, primarily the “big end of town” but there are models in this series that can appeal to most users who are after a notebook that can be stuffed in to that bike bag or shoulder bag.

This is the first ultraportable notebook based on Intel Sandy Bridge technology that I have reviewed for HomeNetworking01.info.This class of notebook is infact a proving ground for the technology because it has requirements for long battery life, ability to play video content at a moment’s notice as well as be light and suitable for use on the road. The Toshiba Portege R830 Series is so well positioned with this respect due to it being equipped with an optical drive which would come in handy with playing DVDs that you buy or rent before that long bus or train trip.

The computer itself

I have noticed negligible extra weight when I have packed in my day bag to take it on an “on-road” test drive. It is large enough for the lid to lean back while in crowded buses or economy-class airline seats, even if the seat ahead is suddenly reclined.

One of the few ultraportables that is equipped with an optical drive

All the models in this series come with a DVD burner but this review model and the model above are equipped with a solid-state drive rather than a hard disk for the main secondary storage. The two less-expensive models come with a 500Gb hard disk and the most expensive model has a 512Gb solid-state drive while this model has the 128Gb SSD.

Aesthetics and Build quality

The Portege R830 Series is finished in an all-black finish with chrome highlights on the lid hinges. This avoids the tendency to use a fingermark-attracting gloss finish, which allows for a more durable finish.

As well, for an ultralight computer, it is very well-built and has a good-quality finish about it. It was also able to handle the rough usage that may occur as it is taken out and about when you travel or go “hotspot surfing”.

User interface

The Toshiba ultraportable notebook is equipped with a chiclet keyboard which supports accurate touch-typing for long perionds, even while travelling on public transport. It could benefit from rubber-capped keys so you know where you are actually typing.

There is an easily-discoverable trackpad that has a generous area for working with; as well as easily-discoverable buttons. As well, this ultraportable does use a fingerprint scanner between the buttons as part of a secure-login option.

Audio and Video

The Intel HD video is responsive for most multimedia tasks especially video playback. It may be able to cope with basic editing but there may be problems when you use the video-editing tools to make anything beyond “rushes-quality” video. I even noticed that the Toshiba had performed very well even when it was playing “Munich: from the integrated DVD burner whil;e running on batteries.

Unlike most laptops, the Toshiba Portege R830’s screen on this unit isn’t a reflective glossy screen, which makes it suitable for bright operating environments.

The sound-reproduction for these laptops is typical for many of the laptops in that it has the tinny speakers that don’t provide depth to the sound. I would recommend that you use this laptop with a pair of good headphones or a good speaker setup when you want the best out of the sound.

Battery life

I have run this computer on a variety of activities and it has run longer than expected for the typical laptop. For example, I was able to have a DVD playing for four hours after a full charge and fhen find that there is 25% of power left, with an estimated 4 hours worth of use left.

Other experience notes

USB socket for Sleep N Charge feature

The Toshiba Portege R830 has a Sleep And Charge feature for one of the USB ports. Here, it means that the notebook can be set to supply power to 1 USB port while it is off so that smartphones and other gadgets can be charged off that port. This may benefit travellers who want to cut the number of chargers and AC adaptors they carry for their devices while on the road. For overseas travellers, this may avoid the need to carry extra plug converters for mobile phone chargers while they travel. The function has worked as stated on the tin when it came to charging my Samsung Galaxy S Android smartphone as illustrated below.

Sleep N Charge in action - charging my mobile phone while closed up and off

I had shown this computer to some friends whom I live with when I was talking about laptops and they thought it was similar to a netbook that they considered as a “traveller” computer. This is although they were used to seeing the larger laptop computers and didn’t really pick up on this class of ultraportable notebooks that filled the gulf between the netbook and the regular laptop.

Conclusion

The Toshiba Portege computers do work well as a current-spec traveller’s computer where you value creating content or need the ability to work with DVDs. It does the Sandy Bridge CPU/GPU platform justice as far as “traveller-friendly” portable computing goes.

I would recommend this configuration for use as a secondary traveller computer where only current data is kept on the system and quick performance is a priority. If you do need to have a larger data collection like digital photos or videos that are being “proofed”, you may have to use an external hard disk or invest in the more-expensive model of the series.

This ultraportable looks the part on the coffee bar that is part of the smart "second office" cafes

There is a variant of this model that is equipped with the same processor, RAM and other specifications but has a regular 500Gb hard disk for AUD$1980 which may suit most people who want the same power but more storage.

But whatever, I would place the Toshiba Portege R830 series of ultraportables as contenders for a notebook computer that you intend to use “on the go” especially if you cycle or use public transport. It also would be an appropriate notebook to use if you do a lot of work at Wi-Fi-equipped cafes.

Introduction

I am reviewing the Acer Iconia Tab A500 Series 10” Android tablet computer. It, like most other Android-based 10” tablets, is faced off as a competitor to the Apple iPad tablet which is of the same size.

It is infact the first Android-based consumer/small-business tablet computer that I have reviewed for HomeNetworking01.info

The unit itself

Aesthetics and build quality

The Acer Iconia has a metal-feel about it which makes you think of a durable tablet computer. It is light in your hands but some people may find the smooth finish very slippery when they handle it.

Display

The Iconia’s display is as readable as most tablet computers go especially when you are using it for reading content. When you use the Android-provided touchscreen keyboard, you may not find the text entry procedure comfortable for long periods of content creation. As far as the display’s brightness is concerned, the Iconia Tab A500 is still bright enough for most users even if it runs on the energy-saving “dim mode”.

Of course, for video, the display had worked smoothly when handling YouTube and similar video playback applications

Audio

Left Hand Side - Power switch, headphone jack, miniHDMI jack

Like most tablet computers, the Acer Iconia’s sound doesn’t have much in the way of volume output if you use the integrated speakers. Here, they would be good enough for audio prompts and the like.It was still clear for the basic local listening and you have the distinct stereo separation but I would recommend use of headphones or external speakers like Bluetooth A2DB audio setups.

Connectivity and Expandability

Right hand side - Power input, microUSB port and USB host port

All the units of the Iconia A500 Series have 2 regular USB device ports as well as a micro USB port for connection to a host computer. They all support Bluetooth connectivity for standard profiles as covered by Android. This includes the ability to do Bluetooth object-push file transfer as well as audio streaming with Bluetooth headsets and audio setups.

You can connect these devices to an HDTV using an miniHDMI-to-HDMI cable if you need the large TV screen.

Another USB port on this device - at the bottom of the unit, under the screen.

These Acer tablets have a feature that is common with most Android smartphones and tablets in that they have a microSDHC card slot. This means that you can expand on the storage that you initially bought or swap media collections around on different microSD cards as if you were working with cassettes or MiniDiscs.

The power connection is a 12 volt connection, which may make it easier to use the Iconia Tab in a car through the use of a cigar-lighter cord. This comes in handy when you load devices like the Iconia with movies or ebooks to be viewed by passengers on a long journey.

Performance

The Acer Iconia is very spritely when it comes to performance. For example, it was able to play sound from a DLNA network media server while I did some Web browsing without the sound deteriorating. It could also perform properly with YouTube even if you put the videos on full screen.

The battery can run for a few days of adhoc but regular mixed-activity use without charging. I haven’t yet worked out an activity plan to “stress-test” these devices for battery runtime.

Other factors

The Acer Iconia Tab A500 Series is equipped with two cameras, one of them being a front-facing one for videoconferencing. This would work well if Skype provided full videophone functionality across entire line of Android HoneyComb tablets.

Limitations and Points Of Improvement

One point of improvement that could come in handy would be to deliver Skype as part of the standard software mix for all of the models. As well, the Acre iconia, like most tablets could benefit from a detachable kickstand that comes as part fo the package. This could appeal to users who use a USB keyboard for typing up notes or those of us who push these units in to service as an Internet terminal / digital picture frame for the kitchen.

Conclusion

I would consider this Android tablet as a “floater” tablet computer as a multifunction general-purpose tablet computer where you value the large screen size and snappy performance. This is more so if you want a tablet computer that isn’t confined to Apple’s dream and you know what you are after for software.

The Wi-Fi-only units can be useful if you want to manage just one mobile broadband package by using your smartphone’s Wi-Fi tethering options to connect to broadband service on the go. You may go for the wireless-broadband-equipped units if you don’t mind running a separate wireless-broadband account and allowance for these devices.