Remember when the hashtag was just known as a pound sign? We don’t! The popularity of the #hashtag has grown dramatically since it was first proposed for use on Twitter in 2007. Since then, the hashtag has grown as a way to build a brand, follow trends and run campaigns. It is a way to track a subject on social media and makes marketers everywhere aware of what is trending.
Here we have the full history of #hashtags including when it began when other social media networks began using it and even the time when Jimmy Fallon and Justin Timberlake made a spoof about hashtags being overused.