So we built an employee-driven, geographically-distributed, multi-client, HTML5-based, API-centric, bathroom-enabled, buzzword-embracing music server for the GitHub offices. It's been a fun project to explore company culture, CSS frameworks, JavaScript methodologies, native clients, outside contributions, and to discover who gets really angry when Garth Brooks starts singing on the speakers. It's one of those projects that ended up far more nutty than the original idea. Come steal some ideas for your own projects.