Who on Earth 2.0 is … Chris Messina?

October 20, 2010

Chris is the guy who came up with the first Twitter hashtag#. This was way back in … 2007, 23rd of August to be precise. The first hashtagged tweet was ‘how do you feel about using # (pound) for groups. As in #barcamp [msg]?’ Not too exciting maybe, but hashtags have proved to be incredibly useful ways of grouping conversations and leaving a sort of paper trail so people can check what’s been tweeted on a particular topic. In fact, Chris called them channel tags and at the outset was the only one to use them until autumn 2007 when people started tagging tweets about the forest fires in San Diego and congressional voting. The rest is history, nowadays ppl hashtag just about anything & everything, but it still serves its purpose, such a simple thing as a pound sign!

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