Amazon buys Roomba’s maker, Bolt vanishes, and YC slims down

Hello again! Welcome back to Week in Review, the newsletter where we quickly recap the top stories to cross TechCrunch dot-com over the past seven days. Want it in your inbox? Get it here.
The most read story this week is kind of a wild one: Bolt Mobility, an on-demand bike/scooter rental company co-founded by Usain Bolt, kinda just…vanished. “The departure has been abrupt,” writes Rebecca, “leaving cities with abandoned equipment, unanswered calls and emails, and lots of questions.”
other stuff
Amazon buys iRobot: Bezos wants all the things. Whole Foods! One Medi

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