Twitter says it will begin testing a new editing tool for tweets in the coming months. The tool would permit users to remove or add information to published tweets. Some well-known Twitter users including Kim Kardashian, Ice T and Katy Perry have urged the company to permit the editing of tweets. American businessman Elon Musk is another famous user who has publicly called on Twitter to add an editing tool. Musk is head of the American companies Tesla and SpaceX. Twitter’s first message about the editing tool was published in a short tweet on April 1, April Fools Day. The tweet, from Twitter’s official account, said simply: “we are working on an edit button.” On April 5, Twitter’s vice president of consumer products, Jay Sullivan, confirmed that the message was not an April Fools joke. He wrote that Twitter had been exploring how to build an edit tool since last year.