QR Codes By Cyrus Patell
What is a QR Code? Quick Response 2D Barcode Scanned via Camera Position Markers Define Rows & Columns Format of Code QR Version
Why Use a QR Code? 10,208 – 23,648 Characters vs 30 Letters >340 - 800x Bigger Easier To Scan Limited By Code Not Device Error Correction
History 1994 Denso Wave [Toyota] Made to Track Parts
QR Codes Today Track Packages Scan to Join Wi-Fi Link to Digital Products or Additional Info Creative Marketing
References http://gizmodo.com/5969312/how-qr-codes-work-and-why-they- suck-so-hard http://www.qrcode.com/en/history/