Reading about GameKit and Session

VBO: OpenGL Vertex Buffer Object

Just learn something new to me:

http://developer.apple.com/library/ios/#documentation/uikit/reference/UISegmentedControl_Class/Reference/UISegmentedControl.html

Reading about

http://iphone-3d-programming.labs.oreilly.com/ch07.html#CocoaMix

From arc4rand man page: