Well, as we say in this episode, he’ll always be known as the inventor of the hashtag, but Chris Messina has been central to so many things in tech over the last 20 years or so. Helped Mozilla launch Firefox. Founded BarCamp where so much Web 2.0 goodness happened and was launched. Cofounded the first co-working space in San Francisco. Helped Google try to grok social with Google+. Oh, and that hashtag business.  See acast.com/privacy for privacy and opt-out information.