It would come as a surprise to more people than you think that "roomba" actually isn't the generic term for a robot vacuum. The interchangeability is nearing Kleenex or Band-aid territory, exemplifying just how iconic iRobot's impact has been on the world of small household appliances.
Though 20-ish Roombas have come out since the debut of the first Roomba in 2002, iRobot's lineup of models at any given time is less chaotic than what a Google search would lead you to believe. When talking...