Mobile messaging app WhatsApp has crossed 500 million users. In the last few months, WhatsApp has grown fastest in countries like Brazil, India, Mexico, and Russia, says co-founder CEO Jan Koum. WhatsApp users are sharing more than 700 million photos and 100 million videos every day.
WhatsApp was acquired by Facebook in February this year for $16 billion; the deal is waiting regulatory approvals.
[Image courtesy: WhatsApp]
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