Last Wednesday was the 10-year anniversary for the Twitter hashtag and Twitter acknowledged it with the trending hashtag #Hashtag10.
Formerly known as the pound sign, it’s reported that Chris Messina, a former Google designer, invented the hashtag.
According to Twitter, users share an average of 125 million hashtags daily.
Some popular tweets are #FollowFriday, which has been used half a billion times, and #ThrowbackThursday, which has been sent 120 million times. #NowPlaying has been tweeted more than a billion times.
