"Lawson Hembree's cover photo is ever-changing -- because it's a QR code! Hembree, who lives in Siloam Springs, Arkansas, cleverly made his cover photo <a href=""http://ireport.cnn.com/docs/DOC-765034"">into a thought bubble</a> extending from his profile picture, with the QR code inside the bubble. He links it to different content every week."
{}