At its core, bitcoin is a smart currency designed by very forward-thinking engineers. It eliminates the need for banks, gets rid of credit card fees, currency exchange fees, money transfer fees, and reduces the need for lawyers in transitions... all good things.
Most women don't do regular breast self examinations, mainly because they are either intimidated by what they might find, or they're confused as to how to do the self exam correctly. 'Liv Aid' eliminates all of these concerns because it makes breast self exams easy to perform.
Congress had the opportunity to extend tax relief to working families without increasing the deficit. Instead, we were handed a bill that favors the wealthy and eliminates deductions that benefit the middle class.
Football doesn't build character. It eliminates the weak ones.
The main thing that 99designs is about is choice. It's a fantastic model that eliminates risk for small business owners and puts designers on equal footing.