evidence: Joe Biden takes control of @POTUS Twitter account after being sworn in as 46th president [...] "These institutional accounts will not automatically retain the followers from the prior administration," Twitter said. "People on Twitter who previously followed institutional White House Twitter accounts, or who currently follow relevant Biden or Harris Twitter accounts, will receive in-app alerts and other prompts that will notify them about the archival process, as well as give them the option to follow the new administration’s Twitter accounts." [...] The official White House account on other platforms including Facebook and Instagram have also transitioned to Biden.