It appears to be showing script character descriptions for hacker bots, telling them what role to play. There was a message underneath it left on June 6th which said "#stumbleupon knows who I am! :O"
It shows an AT&T cell phone and reads: "YOU ARE male, age 15-25, straight, grew up somewhere in the middle class playing tons of video games, above-average intellegence but an underachiever, racist to some degree and non-religious."
