What country use social media the most?

China is the biggest social media market worldwide, ahead of second-ranked India with close to 639 million current social media users.

When was Hi5 popular?

2007 Among the most popular social networking sites for a few years after its launch, Hi5 was second only to MySpace in 2007. It was sold to another social network, Tagged, in 2011 and they were both bought by social discovery platform MeetMe for $60 million earlier this year.