Randahl FinkCommunication designer Chris Messina, who in 2007 came up with the idea of using hashtags on Twitter, has now left Twitter because of Elon Musk.
The good news: He is now on #mastodon: @chrismessina.
Christine Dantz@randahl I wish I left Twitter before Twitter booted me. I swear it was for making fun of #anti-vaxxers. #vaccinessavelives