Roomba vacuums tend to be pretty self-sufficient little guys, cleaning floors, committing burglaries, and even making futile attempts at communication. Cleaning themselves, however, is something they cannot do, but that may change if a recently unearthed 2007 patent application filed by iRobot ever results in an actual product. The app shows a variety of designs for docks that would either suck the detritus right out of your little
