Created by Frenzy the QA engineer at Instructables the Twitter Enabled Coffee Pot enables its owner to make a pot of coffee from anywhere they have cell phone reception, using twitter and an arduino board.
1 Power Switch Tail, this is basically a relay that is used to interface with the AC voltage
1 Arduino Board (any will do)
1 Computer running the arduino IDE and Python
1 Drip Coffee Pot
View the complete instructions on how to set one up for yourself here.