WhatsApp is huge in fact it has 1 billion users.

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The annual numbers are in and the Facebook-owned messaging service has some impressive numbers.

The Company Head, Jan Koum, posted on Facebook that (essentially) 1 in every 7 people on Earth use the (recently) free messaging service available on most smartphones.

Back in 2010 when Facebook acquired for more than $16 million the messaging service it had 450 million active users. Less than 7 years later and those numbers have doubled. Koum shared some other impressive stats about the Facebook-owned messaging service like that 42 billion messages are sent via the app daily, it has support for over 50 languages and is used in over 65 countries.

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