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How Does it Work?

StumbleUpon uses / ratings to form collaborative opinionson website quality. When you stumble, you will only see pages that friends and like-minded stumblers () have recommended. This helps you discover great content you probably wouldn’t find using a search engine.

Searching vs. Stumbling:

Using search engines to locate relevant content typically means hunting through pages of results. Rather than searching for quality web sites, StumbleUpon members are taken directly to web sites matching their personal interests and preferences.