In 1994, Denso Wave created them to track auto parts because they can contain so much more data than traditional bar codes (such as the ones on packages in grocery stores). QR Codes work this way: Each code can contain up to 4, 296anbsp;...
|Title||:||Mobile Web Design For Dummies|
|Author||:||Janine Warner, David LaFontaine|
|Publisher||:||John Wiley & Sons - 2010-08-20|