It would come as a surprise to more people than you think that "roomba" isn't the universal term for a robot vacuum. It is, in fact, a capital "R" that denotes Roomba as a proper noun rather than ...

The iRobot Roomba i7+ used a grid pattern to impressively ... is activated when the LED ring on the top of the vacuum turns blue. The stand-out feature on this vacuuming system is that it comes ...