According to Gizmodo, Apple have purchased 3D mapping company C3 technologies. They’ve previously purchased at least two other mapping technology companies.
Gizmodo reports that you can break into any iPad 2 using its smart cover. From the shutdown screen, close and open the cover then click cancel. I tried it under iOS 4 and it didn’t work so I suspect it’s an iOS 5 only bug.
The Guardian are reporting that unexpected iPhone 4S battery use may be due to a location services bug