iRobot's Roombas are already quite smart to begin with. They map out your house, figure out as best they can which areas they can reach and which areas are problematic, and the WiFi-connected models can be controlled remotely with an app or via Google Home or Alexa or IFTTT. A new capability is on their horizon: a WiFi coverage map of your house. So instead of you holding your phone with a WiFi signal detection app and walking around several times to the different nooks and crannies to figure out the weak or dead spots, Roomba will do it for you.

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