An Oral History of the #Hashtag Ifeadi C. 04:39 WIRED, Zero Tech Blog Whether you first knew # as a number sign, the pound symbol, or a tic-tac-toe board, its incarnation as the hashtag has changed language for millions. The post An Oral History of the #Hashtag appeared first on WIRED. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsWatch a Homemade Robot Crack a SentrySafe Combination Safe in 15 MinutesOh, Elon. Building Infrastructure for the Hyperloop Doesn't Work Like ThatVR Ads Are Almost Here. Don’t Act SurprisedTrump's 2020 Campaign Has Already Paid Out $600K—to TrumpAs Cyberattacks Destabilize the World, the State Department Turns a Blind EyeIBM’s Watson Won Jeopardy! But Can It Win the New AI Biz?