The wider technology stories we're keeping an eye on.
A modern robot vacuum carries a camera, a microphone and a map of your home, and it talks to a server you don't control. Most owners never think about it. Here's the short, practical checklist that keeps a helpful robot from becoming a quiet liability.
Skimming a pool by hand is nobody's idea of summer. Robot pool cleaners scrub the floor, walls and waterline while you do anything else — but there are three very different types. Here's how to pick.
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