So long, and thanks for all the insults.
The complete list of Trump’s Twitter insults (2015-2021) – The New York Times
As a political figure, Donald J. Trump used Twitter to praise, to cajole, to entertain, to lobby, to establish his version of events — and, perhaps most notably, to amplify his scorn. This list documents the verbal attacks Mr. Trump posted on Twitter, from when he declared his candidacy in June 2015 to Jan. 8, when Twitter permanently barred him.

Let’s see how the new guy’s account gets used.
How Biden becomes @POTUS: A Twitter transition breakdown – Hollywood Reporter
The multi-step process will begin with the archiving of official tweets sent during the Trump administration.
When Joe Biden takes the White House, he’ll also take @WhiteHouse – The New York Times
The tweets on each current account will be archived under different names. The Trump administration’s tweets under @POTUS, for example, will be transferred to @POTUS45.
Biden Twitter account ‘starts from zero’ with no Trump followers – BBC News
Donald Trump inherited the Potus account’s 13 million or so followers when it moved to him from Mr Obama – but that will not happen this time.
Update – 24/01/2021
Here’s an angle on this I hadn’t considered before.
‘I am not sad. I am really not sad’: Trump’s Twitter reply-guys reckon with a post-Trump era – OneZero
Many of Trump’s early reply-guys eventually burned out or changed tactics; others have long since been booted from Twitter themselves. But dozens of otherwise ordinary anti-Trumpers, like Guterman, still draw hundreds of thousands of followers to their online tilts, and they’re facing an unclear future without their archnemesis. “I guess I’ll go read a book,” tweeted Jeff Tiedrich, perhaps the king of the reply-guys and the publisher of a leftist politics blog, in the hours after Trump’s suspension.
“It’s a new era for Twitter now,” Guterman said. “I don’t think there’s any need anymore for me to do this.”