How to Scan a QR Code Ifeadi C. 05:58 Feed: All Latest, Zero Tech Blog Do you want to pay for coffee without tapping a grimy screen? Here's how to use your iPhone or Android phone to scan QR codes. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsNewly Found Equifax Victims, Apple Vulnerabilities, and More Security News This WeekNew Lawsuit Exposes Google's Desperation to Improve DiversityThe Best Free Songwriting Apps for iPhone and AndroidDrones Help Bring Back Electricity in Puerto RicoStop Calling Snapchat a Social Network'Dr. Strangelove' Is Basically a Documentary