- Instagram (FB -5.1%) has topped 200M MAUs six months after topping 150M, and two months after Facebook suggested the mobile photo-sharing platform's user base had reached 180M.
- Instagram's MAU count is closing on Twitter's (241M at the end of 2013), and (given a much faster growth rate) might surpass it within a year. Facebook proper had 1.23B MAUs at the end of 2013 (945M mobile), and WhatsApp had 465M as of late February.
- The disclosure comes shortly after Instagram struck its first major ad agency deal, part of its cautious efforts to court brand advertisers.
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