Best apps of the year, quick tech tips, Twitter bans these photos

Relive 2021 with the top songs, podcasts and apps of the year. Plus, a change to Twitter could put an end to certain types of bullying — if it's actually effective. And a special way to make guests feel at home using a piece of tech you already have in the house.

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Learn more about your ad choices. Visit megaphone.fm/adchoices