Twitter Announces, Long-Awaited Plan for Adding, an Edit Feature. It's been a, big week, for Twitter. . On April 4, news broke that billionaire Elon Musk had purchased a massive $3 billion stake in the company. On April 4, news broke that billionaire Elon Musk had purchased a massive $3 billion stake in the company. CNET reports that shortly after, Musk asked fans in a Twitter poll if they would like to see the platform add an edit feature. . CNET reports that shortly after, Musk asked fans in a Twitter poll if they would like to see the platform add an edit feature. . On April 5, the social media platform revealed that Musk would be joining the company's board of directors. . The next day, Twitter announced solid plans for the platform's long-talked-about edit feature. . CNET reports that the feature has been in development for the last year. . The new feature will first be tested on Twitter Blue. . Twitter Blue is a subscription service that lets users undo tweets and read ad-free articles. . Despite users asking for the edit feature for years, former Twitter CEO Jack Dorsey said that the platform would "probably never" add one in a 2020 interview. . Despite users asking for the edit feature for years, former Twitter CEO Jack Dorsey said that the platform would "probably never" add one in a 2020 interview. . CNET reports that the big announcement comes just days after Twitter joked about adding the feature in an April Fools' Day post. . CNET reports that the big announcement comes just days after Twitter joked about adding the feature in an April Fools' Day post. . Musk's massive purchase of Twitter stock reportedly projected the Tesla CEO to the number one spot on the 'Forbes' annual World's Billionaire List. . Musk's massive purchase of Twitter stock reportedly projected the Tesla CEO to the number one spot on the 'Forbes' annual World's Billionaire List. . Prior to falling to the number two spot, Amazon CEO Jeff Bezos had topped the list as the world's richest person for four years. . Prior to falling to the number two spot, Amazon CEO Jeff Bezos had topped the list as the world's richest person for four years.