http://www.techradar.com/news/roombas-will-soon-map-out-your-homes-wi-fi-signals

Finding a good Wi-Fi signal to power all of our devices is kind of the contemporary Feng Shui: location matters. 

The process is usually a matter of trial and error under normal circumstances, but soon it looks as though we’ll be aided in this hunt by our vacuum cleaners, of all things.

Starting January 23, a select few members of Roomba’s beta program who own the high-end Roomba 900 series units will be able to try out a new feature that finds your home’s strongest Wi-Fi signals while picking up stray confetti still lurking from New Year’s Eve.

Through Roomba’s iRobot app, owners of devices like the Roomba 980 will be able to see a map of their houses showing the intensity of Wi-Fi signals in various spots.