I stumbled upon a useful site earlier today that's worth sharing. Called SimilarWeb, this small Firefox (and soon Internet Explorer) add-on sits on the side of your browser and pulls up sites that are similar to the one you're currently on.
It works remarkably well--at least with major sites. For example, visiting YouTube brings up a long list of other video hosts. The same went for social news sites like Digg, Reddit, and Delicious. You can scroll through these and open them up in new tabs, or pick from one of the tags SimilarWeb believes to be related … Read more