As a DC-area resident, I've been one of many local developers saying that the DC Metro needs some sort of API. If anything, just to be able to build or integrate transit routes into existing apps. The wait appears over and the Washington Metropolitan Area Transit Authority now has an API.
Expedia's new API is at the the heart of its Travel Agent Affiliate Program. Chinese dissident and artist Ai Weiwei bellows out names of over 5,000 killed in Sichuan earthquake, shares recording as dataset used in hackathon. Plus: Microsoft unveils a machine searning service for prediction, and Zimbabwe's EcoCash API is launched.