If you happen to be in the U.S. on 4/15/10, Starbucks will give you free brewed coffee if you bring in your own mug. I plan to exploit this, as I exploit every opportunity that comes my way. heh.
http://www.starbucks.com/thebigpicture
edit: The offer is apparently good all over the world, so drink up my worldly friends
http://www.starbucks.com/thebigpicture
edit: The offer is apparently good all over the world, so drink up my worldly friends