For the past ten years Janne has designed and implemented rich user interfaces for both web and mobile applications. He helped grow Thinglink, an image tagging service, from ten, to one million registered users. At Xtract, a provider of analytic solutions for mobile operators, he studied social networks using Bayesian algorithms to understand the activities of millions of users. His interests include data visualization, user interface design, analytics interfaces and user testing. Janne is also one of the founders of Frontend.fi, an organization that brings together Finnish developers interested in user interface best practices.