WEDJ (that’s “We DJ,” not “Wedge,” for the record) is a collaborative music-playlist-building app that sprung out of this weekend’s all-night Hackathon at Disrupt NY. Built by a team of four part-time hackers, the app is something of a real-world version of the dearly departed Turntable.FM designed for use in bars, clubs, offices and other social experiences. Read More on Tech Crunch