6. Pond. The Pond social media aggregator and publishing tool allows you to follow your friends, collect information about them and share your own content. Pond also lets you merge your friends' online identities-so, for example, if your friend belongs to Twitter, Facebook and Flickr, you'll see updates from these services in one integrated time line. Pond also allows you to cross-publish information to several sites with one update.
7. Shareaholic.Shareholic is a customizable browser add-on that lets you share content with over 60 social networking sites. By clicking the Shareaholic icon, you can instantly share the page you're on (it automatically shortens the link for you). It also displays real-time trending topics, allowing you to find the latest news, videos and blogs.
What are your favorites?
Staff Writer Kristin Burnham covers consumer Web and social technologies for CIO.com. She writes frequently on Twitter, Facebook, LinkedIn and Google ( GOOG). You can follow her on Twitter: @kmburnham.