2 ms·Enumerating 3B Accounts for Security and Privacy [pdf]4 points by staticBr 1y agostaticBr 1y agoUniversity of Vienna scraped 3 Billion WhatsApp Accounts. This is their Paper ... nice read.signa11 1y agodupe [https://news.ycombinator.com/item?id=45976393 https://news.ycombinator.com/item?id=45976393]