This document discusses social networking services and provides information on their history, basics, and uses. Some key points include:
- Social networking services allow users to create profiles, connect with friends, share content and interests, and interact online. Popular sites mentioned are Facebook, Twitter, and LinkedIn.
- They emerged in the late 1990s and have grown tremendously, with Facebook now being the largest. They are commonly used for communication, sharing ideas, and professional networking.
- Social networks are also being utilized in education and science to expand knowledge sharing and collaboration beyond traditional means. Controls allow users to choose who can access their personal information and profiles.