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StumbleUpon

StumbleUpon

Software company
StumbleUpon was a browser extension, toolbar, and mobile app with a "Stumble!" button that, when pushed, opened a semi-random website or video that matched the user's interests, similar to a random web search engine. Wikipedia
Founded: 2001, Calgary, Canada
Headquarters: San Francisco, CA
Content license: Proprietary freeware
Native client(s) on: Toolbar: Firefox, Google Chrome, Opera, Internet Explorer, Safari; Mobile apps: Windows, iOS, Android, Amazon Appstore
URL: Archived official website at the Wayback Machine (archive index)