This $800 device uses machine learning to help you avoid a catastrophic flood

ZDNet 

A mission of Buoy, one of the latest startups to attack the smart home, is "to enjoy water without worry." For the vast majority of Americans, that seems like a solution in search of a problem. Water usage may be the least top-of-mind concern of the modern US homeowner, so much so that it is often held up as a model of a nearly-free commoditized modern convenience.