Although hashtag as a metadata tag was popularized on Twitter, the character has infiltrated almost every other social media platform by users looking for laughs, conversations, and news. That's why Laurie Paolone, CEO and founder of HashAtIt, created a social search network at HashAtIt.com, where users can search hashtags across Facebook, Twitter, Instagram, and Pinterest. HashAtIt is free, and for the moment Paolone is focused on raising the number of people who use the search platform. Although HashAtIt has only been out of beta since May, it's already received some high-profile attention.
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