Wed, 04/19/2023 - 15:51 Tech Insider Chris Messina is credited with popularizing the hashtag on Twitter.STR/NurPhoto via Getty Images Tags Tech Insider, twitter, Elon Musk, Twitter Hashtag, Hashtag, Viral hashtag, Social Media, Twitter takeover, Elon Musk twitter, Layoffs, Twitter layoffs Source The user who invented the hashtag has reportedly left Twitter, saying the compa…