I think you've been going to the wrong coffee shops. Does this look like a place that wants you to leave?

http://coffeecultureatx.files.wordpress.com/2011/04/dsc_7712... (warning: youth/"hipster")

Yes those are retractable power strips hanging over the tables. Incidentally (re: your username) this place is called Bennu and yes I just wanted to show it off cause it's great, and open 24/7.