Mary Meeker’s annual Internet Trends report is packed with all kinds of jaw-dropping statistics. But even by her standards, this one pops out: Web and app users are sharing and uploading 1.8 billion photos a day.
Or in other words — here’s why Facebook, which used to be the world’s biggest photo-sharing service, bought Instagram, is buying WhatsApp, and (still) wants to buy Snapchat:

This article originally appeared on Recode.net.
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