Related: Chris Messina invented the hashtag: <a href="http://www.quora.com/How-did-the-idea-for-hashtags-originate-on-Twitter" rel="nofollow">http://www.quora.com/How-did-the-idea-for-hashtags-originate...</a><p>I like the ad-hoc-thing-becomes-global-standard process. Hashtags are now showing up on movie posters, for goodness' sake.