Whatsapp bug revealed total number of users – 2.15B Posted by theneelpatel on Sunday March 08, 2015 @05:14AM from the reddit.com dept. http://www.reddit.com/r/whatsapp/comments/2ybodw/a_bug_in_whatsapp_revealed_total_no_of_users_and/ ( 1 comment | 3 points | on HN )