StumbleUpon, the content recommendation site owned by eBay, has extended it premium service to several new publishers including Funny Or Die, Atom, Scientific American, and 5min.com, according to a report in CNET this morning.

In June, I caught up with founder Garrett Camp for an overview on how his service works and the value StumbleUpon provides to publishers. I’ve republished the interview today. 

Here is the company’s press release.

Andy Plesser, Executive Producer