Twitter starts testing a new CoTweets feature that lets two accounts co-author a tweet, with both accounts tagged in a single tweet (Tom Warren/The Verge)

Tom Warren / The Verge:
Twitter starts testing a new CoTweets feature that lets two accounts co-author a tweet, with both accounts tagged in a single tweet  —  Twitter says it’s testing CoTweets for a limited time  —  Twitter has started testing a new CoTweets feature this week with users of the social network.