Facebook started rolling out hashtags last week and will continue to roll it out for more users in the coming weeks. Many users were already used hashtags but they were not clickable (searchable) before.
So what are hashtags? A hashtag is a word or acronym used within a post, designed to signify the topic of that post – in other words, hashtags are designed to organize content related to a topic and make it easier for users to find that content and connect. Twitter user Chris Messina created the hashtag back in 2007. Since then, the hashtag has been integrated into other platforms, including Flickr, Pinterest, Tumblr, Google+ and Instagram.
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