http://en.wikipedia.org/wiki/Roomba ! i6 h4 i! u" ^4 S8 y. ^$ A9 J- H! i: M. A6 M( p& ?: U
Roomba is a robotic vacuum cleaner made and sold by iRobot. It is marketed as a Robotic Floorvac. The Roomba was first released in 2002 with updates and new models released in 2003, 2004, 2005 and 2006. As of May 2006, over 2 million units have been sold, making it the most successful domestic robot so far.