timothy from the those-sneaky-developers dept.
BogenDorpher writes "Apple has just put up the second beta version of its new operating system for the iPhone, iPad, and iPod Touch devices. iOS 5 Beta 2 build 9A5248d is now available for registered iOS developers in the Apple Dev Center. iTunes 10.5 Beta 2 is also available for developers."
Every nonzero finite dimensional inner product space has an orthonormal basis.
It makes sense, when you don't think about it.