The Evolution Of The Twitter Hashtag

Even after 15 years, hashtags help users connect.

The evolution of the Twitter hashtag


Aug. 23, 2022 marks the 15th anniversary of the Twitter hashtag. While it has organized countless content on the app, finding a straightforward history of the hashtag isn’t as easy as searching #hashtaghistory. Read on to learn how the hashtag has evolved over time.


On Aug. 23, 2007, Twitter user Chris Messina became the first person to use the Twitter hashtag. He proposed that the pound sign be used for groups online, tweeting #barcamp in his example.