The Best Inventions of 2021
November 10, 2021 6:08 AM EST

SPECIAL MENTION: Eager to free your inbox and other data from the big tech companies? This personal server should do the trick. The Linux-based home device (from $249) stores your email, calendar, and contact data, encrypting it with a key only you can access. (No, it won’t work with your old Gmail address.) —Jesse Will

 

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