How to Choose a QR Code Reader for an Apple Operating System
Finding a QR Code reader for your Apple device is easy for a couple reasons. First, all Apple devices come with Apple’s operating system, so you don’t have to worry that your Apple device is running a BlackBerry operating system (heaven forbid!). Second, Apple has an easy-to-use App Store at which you can download a reader.
Here’s how to download a QR Code reader for your Apple device:
Find and touch the App Store icon on your mobile device.
Tap the Search button on the bottom right of the screen and type QR Code reader in the search field.
A list of QR Code and other barcode readers appears. Pick a free reader for now. Here are the top three free readers in the App Store, based on customer reviews:
QR Reader for iPhone (4.5 out of 5 stars)
Scan (4.5 stars). This also works on Apple’s iPod touch and iPad 2.
Quick Scan (4.5 stars). Also works on iPod touch.
You can also search for these readers in the App Store by name.
Tap the reader you want and tap FREE at the top right.
Punch in your Apple ID to download the app.

Web Design & Development Glossary
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asynchronous JavaScript and XML. A technique used in web page development.

Web Design & Development Glossary
API
application programming interface. A set of rules programs use to communicate with each other.

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FTP
File Transfer Protocol. A network protocol useful for transferring files in a client-server relationship.

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HTML
HyperText Markup Language. The predominant language for building web pages.

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HTTP
HyperText Transfer Protocol. The primary networking language for the Internet.

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socket
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sprite
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stateless protocol
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W3C
World Wide Web Consortium. The organization that sets international standards for the World Wide Web.