A demonstration of a PR2 and a TurtleBot working together in an autonomous drink serving application.
A drink is ordered through a web interface and immediately the TurtleBut -- called BusBot -- is called to the kitchen.
Meanwhile the PR2 already opens the fridge, finds the ordered drink and retrieves it.
The PR2 then places the drink in a drinkholder on top of the BusBot.
Now, the BusBot gets the autonomously navigates to the person's location and delivers the drink.