Hashtag is a relatively new word. It was first used in 2007 as a simple user based innovation useful for the organisation of content on Twitter. Since then it has enjoyed a rapid spread on Twitter. This infographic presents a short version of the history of hashtags form August 2007 to November 2013. It starts with the first use of #barcamp hashtag in August 2007 and #sandiegofire hashtag during wildfires in California in October 2007.