Update: A spokesperson for StumbleUpon tells us this is currently just a test: “We are currently testing a bookmarklet feature with a small subset of our community. We plan to analyze the data to determine the next steps for the …

StumbleUpon has acquired video discovery company 5by. This is the first acquisition StumbleUpon has made in its decade of existence. StumbleUpon’s Mike Mayzel tells us that 5by’s team of six people will move from Montreal to work in StumbleUpon’s San …

StumbleUpon has been around since 2001, providing a unique way for Internet users to find websites and pages related to topics they’re interested in. The company has long provided a method of content discovery that has for one, gone virtually …

StumbleUpon has revealed some revenue numbers for the first time via a report from Bloomberg. One major piece of news from the the quiet social content giant is that it is now profitable. It also expects to grow revenue to …

It wasn’t exactly a great start to the new year for StumbleUpon back in January, when the company laid off 30% of its staff, but that was a long time ago in Internet time, and the company has since been …

StumbleUpon has an engineering contest going on, aimed at finding some help improving how it recommends content. Specifically, they’re looking for someone to develop an algorithm to make the service better at determining when a piece of content is evergreen …

StumbleUpon is going with a new content delivery network – NetDNA’s MaxCDN. This, according to the two parties involved, will help increase web page download speed on StumbleUpon.com. “The social media market is crowded, therefore it is imperative that we …

Update: There are reports of some phishing scam emails going around based on the email described in this article, though I currently have an email in my inbox, which appears legit. I’m reaching out to StumbleUpon for additional info. Either …