Growth in social network advertising spending worldwide

Worldwide social network spending is expected to shoot up again next year, rising an estimated 18% to $2.6 billion. 2011 will see an additional 12% increase, to $2.9 billion.

What do US people use social networking for ?

Interesting study about the use of online american users on social networking. It seems that most of the people want this kind of sites to keep in touch with their friends. Weirdly only 10.9% of people are using it for their career.