We've seen beer-pouring robots before, but MIT has recently put together a smartphone-controlled robot bartender, with three robot arms that can pour and mix up to 100 different alcoholic and non-alcoholic flavors. The Makr Shakr lets you order up a drink directly from your iPhone, and then it will make the drink and deliver it to you as requested.
The robot will be officially unveiled later this week at Google's I/O conference, and for now it's just an interesting robotics project, so it's unlikely you'll see your own robot bartender in a local watering hole any time soon (plus, who would you fl