Story from Game Pro : According to a Flickr photo, the man set up an Xbox 360<, monitor, and wireless router and began to play a shooter, possibly Halo 3. He was apparently shouting commands into his headset while he played, so it didn't take long for him to get kicked out.
This guy brought a monitor, Xbox, wi-fi router, external HD, earphones with mouthpiece and a controller (disguised under a NY Post, no less).
He proceeded to play Quake/Halo/Call of Duty...some nerd fighter game while yelling out instructions to his "teammates".
Took him 20 minutes to set it all up. Took him 2 minutes to get kicked out.

Comments
I'm sorry.. what did he do wrong?
if he had been shouting into his cell phone, we would have let him slide for 30 minutes or more, until the desk change when it would become someone else's problem.
study rooms at your library?
He should have reserved a study room.. we get great wifi access in ours!