StumbleUpon Introduces StumbleThru, Launches Personalized Discovery for Flickr, MySpace, Wikipedia, YouTube and More

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One click allows users to Stumble specific sites without having to search.

StumbleUpon (, the best way to discover new sites and videos on the Internet, today released StumbleThru, a new way to explore personalized content within fast-growing sites such as Flickr, MySpace, Wikipedia, and YouTube.

StumbleThru allows users to target their Stumbling to specific domains and uses the same thumbs-up and thumbs-down rating system used by StumbleUpon to form collaborative opinions on the quality of articles, pages, photos, and videos. As a result, users find great content without using inefficient search engines that can return unrelated results. The StumbleUpon community of more than 2 million individuals has recommended more than 9 million sites.

The explosive growth of online destinations like Flickr and MySpace has made it difficult to find new and meaningful content within the millions of pages at these domains. StumbleThru makes it possible for Stumblers to see only the content that is personally relevant to them and submitted and rated by the StumbleUpon community.

"The collaborative nature of Web 2.0 sites like YouTube and Wikipedia means that content is constantly being generated by millions of users," said David Feller, Vice President, Marketing at StumbleUpon. "StumbleThru provides users the ability to skip the clutter and unearth only the best that these domains have to offer."

"StumbleUpon is blazing a path towards a more personalized Web and StumbleThru is an important step in that direction," said Carla Thompson, analyst at The Guidewire Group. "StumbleThru has immediate mass appeal, filtering through the noise to get people the content they want."

StumbleThru is currently available for some of the most popular sites on the Web including Flickr, MySpace, Wikipedia, YouTube, BBC, CNN, PBS, The Onion, Physorg and more. More domains will be added in the near future. StumbleThru is available in the following ways:

  • StumbleUpon toolbar: When on a StumbleThru domain, an icon is displayed in the StumbleUpon toolbar. Users can click on the icon and focus stumbling on the selected site.
  • StumbleUpon review page: Links to StumbleThru domains now appear on the corresponding StumbleUpon review pages. Users can click through to StumbleThru.
  • Dedicated StumbleThru site: StumbleThru can be accessed directly at

The innovative discovery capabilities of StumbleUpon, StumbleVideo, and StumbleThru make it possible to:

  • Stumble the Internet for great Websites, videos, pictures, games and more
  • Rate and review websites
  • Rate and review online videos
  • Keep an online history of discovered sites and content
  • Easily share the recommended sites with friends and other Stumblers

For more information and to discover great sites relevant to you, visit StumbleUpon (

StumbleUpon helps you discover and share great websites and videos. With more than 2.1 million users and approximately 5 million stumbles daily, is the most popular way to discover new content on the Web. Founded in 2001, StumbleUpon is based in San Francisco. StumbleUpon investors include Ram Shriram (Google, Junglee, Zazzle), Mitch Kapor (Lotus, Real Networks, UUNET), Josh Kopelman (, TurnTide, Delicious), Ron Conway (FaceBook, StubHub, Simply Hired), Rajeev Motwani (Google, Kaboodle), and Ariel Poler (LinkExchange, Kana, I/PRO). For more information and to start stumbling, please visit and


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Rachel Petersen
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