Thirty days is just a tiny fraction of the two-year commitment you sign when buying discounted phones in the US -- one-twenty-fourth of the actual time you're stuck with the device before switching phones.

ENGADGET: Back to BlackBerry: a power user's perspective Mobile

And by the time they reached tenth grade, they had slipped off the map twenty-fourth place internationally.

NPR: Seeking Solutions for the Nation's Broken Schools