Heads up! If you use Amazon’s Kindle app for the iPhone or iPad, don’t hit update! The new 3.6.1 update will, if installed, delete your entire book library from your device. Amazon’s working on the problem, and for a problem of this magnitude, expect a quick fix.
John Brownlee is Cult of Mac's Deputy Editor. He has also written for Wired, Playboy, Boing Boing, Popular Mechanics, VentureBeat, and Gizmodo. He lives in Boston with his girlfriend and two parakeets. You can follow him here on Twitter.