In a mere five years, microblogging/messaging service Twitter has gone from being written off as a flash in the pan to being a central part of the Internet today. In their infographic, Masahable takes a look back at some of the major milestones for the service, and also reveals some surprising facts about its user base. For instance, 30% of Twitter’s users apparently make over $100,000 a year, so maybe there’s hope for @qwikster yet.
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