From #MAGA to #Maythe4th, here are some of the biggest hashtags of the first 10 years of the hashtag. It’s been 10 years since Chris Messina tweeted the first hashtag. In that time, hashtags have come ...

Twitter has started testing out a new feature that would make it easier for users to learn the context behind trending hashtags, according to a report in today’s Wall Street Journal. The Journal made ...