Viadeo, a social network founded in 2004 with 35 million professional members worldwide, is looking to take on LinkedIn as the preferred business social network in the United States -- and the company thinks that its Viadeo API will do it. Viadeo recently launched a publicly available version of its API that provides full access to the social network's users' data including career, news, groups, jobs, schools and a users status and messaging system.
