This document discusses various social media and networking sites including Facebook, blogs, Twitter, YouTube, Google, Skype and their key features and purposes. Facebook allows users to connect with friends and share updates, photos and messages. Blogs enable individuals to publicly express thoughts in writing or multimedia. Twitter is for sharing brief status updates. YouTube is for sharing videos. Google allows broad internet searching. Skype enables video calls between users worldwide. Pros of social media include greater self-promotion, wide reach, and reconnecting with others, while cons include constant technological changes, overexposure, privacy issues and navigation challenges on some sites.