Wondering who your closest friends are, at least on WhatsApp? The mobile messaging service had quietly introduced a new feature in June this year that lets you keep tabs on your data usage. This hidden feature unexpectedly reveals who you communicate with the most on WhatsApp. The "storage usage" function buried within the app now provides an effective leader board, listing all your contacts and groups based on the number of messages sent and received. WhatsApp Hidden Feature Find out who your closest friends are on WhatsApp You might not have noticed this feature probably because you do not track WhatsApp data usage. And another... More