Netflix’s latest Hack Day projects include rumble packs for smartphone viewers

A couple of times a year, Netflix hosts an internal hackathon for its employees, where they can take time off of their regular duties and try their hand at playing with new ideas. At this spring’s Hack Day, Netflix employees devised a haptic feedback system for mobile devices, and a novel way to get their colleagues out of a meeting room when their time runs over.
In past years, Netflix employees have used the Hack Day event on zany ideas like playing House of Cards on an original NES, tu