Earlier this week, Facebook announced that its WhatsApp messenger app now has more than one billion users , an impressive number considering that Facebook Messenger has less than that (over 800 million). WhatsApp works on all the popular platforms out there, including iPhone , Android and the web, and the app has recently become freeware, as Facebook lifted the previous subscription fee . While some users may have intimate knowledge of the way WhatsApp works, others might be new to the chat app. If you're one of them, the following 15 tips and tricks should come in handy. DON’T MISS: Intern caught sleeping on his second day of work gets trolled by the entire

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