theodp writes "In announcing its $16B acquisition of WhatsApp, Facebook confessed it had very little data on WhatsApp's estimated 450 million users. Asked about the user data, Facebook CFO David Ebersman said, 'WhatsApp has good penetration across all demographics but you are not asked your age when you sign up.' Wall Street analysts concerned by Ebersman's answer won't be comforted by GeekWire reporter Taylor Soper's (non-scientific) poll of UW students, which suggested that WhatsApp may not exactly be BMOC (Big Messenger on Campus). 'I don't use it at all,' replied one UW junior. 'I've heard of it but I have so many other things I do online that it would just be another time-consuming thing. I use Facebook or texting to talk to people.' WhatsApp did fare better in a survey of Soper's Facebook network, where responders said they used WhatsApp mostly for communicating internationally and in groups. So, are you or someone you know using WhatsApp, and what's the motivation for doing so?"
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