Mark Zuckerberg must be more than happy because its popular social network now has more than 1000 million users.
This means that one-seventh of the world's population can engage in
sharing your life and see what others are doing through Facebook. The only drawback with these 1000 million users, is that many users are not considered.
Probably in your list of Facebook friends you have someone who has more
than one account, someone who for...