Stumble Upon also worked with some independent Mozilla-based browsers.
Native mobile Stumble Upon apps existed for Windows, by Garrett Camp, Geoff Smith, Justin La France and Eric Boyd during Garrett's time in graduate school at the University of Calgary.
Ferriss, Garrett Camp and Geoff Smith all live in San Francisco, where Stumble Upon is headquartered.In September 2012, Stumble Upon released an update for its i OS app that brought the new feature "Stumble DNA," which aggregates content that is recommended for you, trending content as well as a section where you can view the activity of your Stumble Upon connections.This version of Stumble Video is optimized for the Wii's smaller screen resolution and offers similar functionality to that of the original version.In September 2013, Stumble Upon acquired 5by, a video discovery app created by Greg Isenberg.In 2013, Stumble Upon discontinued the service to focus more on their lists feature. Stumble Upon’s platform lets users surf the web by Stumbling to sites that match their interests, simply by hitting a button on their browser or mobile device.
With Paid Discovery, an advertiser’s URL (website, video, etc.) becomes part of that stream.There are interest filters which allow you to include only content for all ages, R rated content, or X rated content.There are also content filters in which you can choose to allow stumbles with audio, video, flash and images.These social networks coordinate the distribution of Web content, so that users "stumble upon" pages explicitly recommended by friends and peers.Giving a site a thumbs up results in the site being placed under the user's "favorites".a discovery and advertisement engine (a form of web search engine) that pushed recommends of web content to its users.