Topsy is a new Twitter analytic tool that provides valuable insight into the level of conversation surrounding certain keywords on the social media site. Topsy Twitter analytics allow you to track mentions of your domain name, Twitter name or any keyword on Twitter. In each of these categories you can add up to three pieces of competing data. Here is an example of the Topsy Twitter analytics tool graph comparing three keywords over the last two weeks. Those keywords are SEO, Social Media and Facebook.