Square has been innovation how we can pay with our phone for a while. Their new service Card Case takes this to a whole new level. "The experience was magical—almost creepily so. It happened so quickly, and lacked so many of the hassles of a normal transaction, that when I left the store with the cupcake it was hard not to feel like I’d just pulled off a heist."

Android app to track your reading progress as a workaround to integrate paper reading into Readmill