https://www.siliconvalley.com/2022/11/04/twitters-top-celebrities-barack-obama-katy-perry-kim-kardashian-silent-on-elon-musks-changes/ > While some reports have described a veritable exodus of star power from Twitter after Elon Musk took control of the company last week, the platform’s most-followed celebrities have said nothing, proceeding with business as usual over the past few days, using it to promote their causes, upcoming projects and commercial brands. > Former President Barack Obama continued to use his account, Twitter’s most followed, to urge his 133 million followers to vote in the Nov. 8 midterm elections and to support Democratic candidates in hotly contested Senate and Congressional elections.