QR Codes

By: Jayrell Ringpis

Overview

• What is a QR code?• Who uses them and where?• How do you read it?• How do you create it?• Why is it useful to you?• Why is it not useful to you?

What is a QR code?

A Quick Response “QR” code is a type of two dimensional (2D) code that consists of black modules that contain encoded data.

Basically, it is an upgraded barcode trending of usage in mobile tagging.

Who uses them & where?

How do you read it?

• Decode with QR reader app on a smart phone– Compatible devices:

• iPhone/iPad• Android/Blackberry• Nintendo 3DS

– Popular apps:• Barcode Scanner• NeoReader• ScanLife• OptiScan

How do you create it?

• Translate and encode data with a QR code generator app or website– QR Droid [Android App]– QRafter [iPhone/iPad App]– ZXing Project [http://zxing.appspot.com/generator/]– Kaywa [http://qrcode.kaywa.com/]– ScanVee [http://www.scanvee.com/]– QR Stuff [http://www.qrstuff.com/]

Why is it useful to you?

• Consumers: Quick and convenient to use for displaying additional information

• Business: Marketers can fight temptation to clutter advertisements with TMI

• Public Organizations: Display and distribute facts and helpful information to interested parties

Why is it not useful to you?

• Not everyone owns a smart phone.• Risks such as….– Malicious codes -> Malware & Trojans– Stream feeds from Microphone/Camera/GPS

to server– Steal passwords and identity

References• http://en.wikipedia.org/wiki/QR_code• http

://www.socialmediaexaminer.com/how-qr-codes-can-grow-your-business/• http://

www.zdnet.com/blog/security/hackers-using-qr-codes-to-push-android-malware/9522

• http://www.denso-wave.com/qrcode/index-e.html• http://net.educause.edu/ir/library/pdf/ELI7046.pdf• http://www.708media.com/qrcode/qr-code-readers-iphone-android-black

berry-windows-phone-7/

• http://qrmedia.us/qr-code-generators-list/• http://qrmediaguide.com/

Questions?