Read this interesting article:
“During the past few years, the internet has taken a new, more interactive direction. With the advent of Web 2.0, users have increasingly become creators, and recently, social networking sites have mushroomed and their user base has grown. Indeed, a 2006 study by Nielsen/NetRatings estimated their annual growth at 47% and their reach at 45% of web users (1).
Interest in social networking as a research topic has also risen in recent years (see Figure 1). Since 2004, the annual growth of academic publications on the subject has surpassed 21%, but how has this scholarly interest matched actual social-networking interest among academics?”