In November, Bao Pu, a veteran human rights activist who was visiting Beijing, posted videos on Twitter of university protests against China’s tough coronavirus lockdown orders. He gained over 10,000 followers in subsequent weeks.But friends and fellow activists soon told him they were having a hard time finding his posts — and even his account — on Twitter.“I was shocked,” said Mr. Bao, who is based in Hong Kong. He said he feared that Twitter was “putting a limit on the influence” that he could have.More than 30 prominent Chinese dissidents and activists have experienced similar visibility problems on Twitter in recent months, according to interviews with nine of them and screenshots of search results. The activists’ accounts did not appear after a search of their Twitter names, the screenshots showed, though impostor accounts turned up. Three of the dissidents said their accounts were also suspended with no …
