Effort: ModerateCost: Free

Between your blog, Facebook, Twitter, and--if you're really popular--your Wikipedia page, you probably find it tough to give someone a single URL that says "Here's me." Web site helps to solve that problem. The service allows you to create a very simple home page with a persistent profile bar that links to every site that defines you on the Web. No matter which of your pages your buddies visit, yourUnHub profile bar stays on top so that your visitors can easily move on to your next online hangout. Best of all, you don't have to update each of your sites every time you add a new social network to your list.

Effort: MinimalCost: Free