http://en.wikipedia.org/wiki/Roomba' ~9 V) L# O7 X2 u" o1 t; ]& U$ n J$ [
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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.