You're half right, it's sockets + accelerometer. If you try hitting your phone against any hard surface and hitting the space bar at the same time it triggers t

You're half right, it's sockets + accelerometer. If you try hitting your phone against any hard surface and hitting the space bar at the same time it triggers the effect too. You can find the socket js in https://photos.bu.mp/static/js/bump.min.js https://photos.bu.mp/static/js/bump.min.js Space bar triggers POST (content:{"category":"Bump","action":"NoMatch","time":1334124838.48,"client_id":"a7g47710-e991-721f-8bb6-ea4013a22fb6","session_id":"1509c654180344aea5660a0349b0caaf"}).