PlayBOX to Distribute Music for Famous DJ Adam Beyer (Marketwire via Yahoo! Finance)

WASHINGTON — The ponytailed photographer pulled up to the Tidal Basin. He wheeled a sound system out to a shady spot, whipped out three giant blue-and-purple rings, turned up the techno dance music and started jamming. Gyrating and jamming. Two gyrating friends joined him — hips moving, wrists moving, legs moving.