Garrett Camp, CEO and founder of StumbleUpon, a discovery engine that helps consumers share and find content based on personal preferences, talks with Danielle Drolet about plans to expand outside the US and roll out its services to other devices and platforms.

Since its start in 2001, StumbleUpon has amassed more than 15 million registered users. Where is the company today and what are priorities in the next 12 months?
The main focus right now is to bring the ...