Welcome to TechCrunch daily news, a round up of the top tech news of the day. -- Hyundai takes a controlling stake in an iconic robotics company -- Twitter acquires a screen-sharing startup -- and we round up some security-themed gift ideas. This is your Daily Crunch. The big story is: Hyundai has acquired an 80% stake in Boston Robotics. Boston Robotics is behind a number of impressive robots, including the dog-like quadruped Spot.

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