Facebook CEO announced that they now have 2 billion people on the social network (Details, pics)

According to the CEO of facebook Mark Zuckerberg, they now have 2 billion people on the social network. Here is what he posted below.

As of this morning, the Facebook community is now officially 2 billion people!

We're making progress connecting the world, and now let's bring the world closer together.

It's an honor to be on this journey with you.
He revealed further than as at 2012, try had 1 billion users and less than 5yrs, they figure has been doubled.

Wow! If facebook is a country, it will be on top 5 most populated countries in the world.