AddThis is a social sharing and demographics monitoring tool that you can install on your blog or website. Using AddThis on your blog can give you an in-depth understanding of your audience so you can target your message in a way that resonates with them. Do you want to know what social network is giving you the most bang for your buck? Want to find out when someone actually clicks on your links from Facebook or Twitter? AddThis is the perfect tool for tracking social engagement and providing insights that other social sharing plugins like DiggDigg can't capture.