https://techcrunch.com/2022/07/07/twitter-cotweets-co-author-tweets/

Twitter has started testing a new “CoTweets” feature that lets users co-author tweets, the social media giant confirmed to TechCrunch. The company says it’s testing CoTweets for a limited time to learn how people will use the feature.

“We’re continuing to explore new ways for people to collaborate on Twitter,” a spokesperson for Twitter said. “We’re testing CoTweets for a limited time to learn how people and brands may use this feature to grow and reach new audiences, and strengthen their collaborations with other accounts.”