Second Life (SL) is a virtual world where people interact and socialize through virtual avatars. Avatars behave similarly to their human counterparts in real life and naturally de...
A number of online video social networks, out of which YouTube is the most popular, provides features that allow users to post a video as a response to a discussion topic. These f...
Online social networking communities such as Facebook and MySpace are extremely popular. These sites have changed how many people develop and maintain relationships through postin...
Participation in social networking sites has dramatically increased in recent years. Services such as Friendster, Tribe, or the Facebook allow millions of individuals to create on...
Ralph Gross, Alessandro Acquisti, H. John Heinz II...
The procedures to collect information about users are well known in computer science till long time. They range from getting explicit information from users, required in order to ...