Right now my ipad 4 will actually start to run warm just web browsing. When I run games it gets very hot. Lower left corner just like the ipad 3 did. I have a genius appointment tomorrow to maybe exchange for another one. I'm curious if any other ipad 4 owners are experiencing warmth issues on the lower left corner even during small tasks. If not then I'm going to have to talk the genius reps into exchanging to a new one. I've read that draining the battery three times will actually solve heat issues (yep people posted that) so not sure if they'll offer that as advice. I called into apple care and running the battery to zero percent was all they could advise.