The line between what constitutes a software-as-a-service (SaaS) application and a platform-as-a-service (PaaS) environment has always been relatively thin. SaaS applications that expose an API to third-party developers can quickly transform into a development platform.
Among the three largest social networking sites the most arcane to deal with from a developer perspective is LinkedIn. Now PeopleLinx is trying to prove there is a viable developer opportunity surrounding Linkedin APIs. The company, which just picked up an additional $3.2 million in financing, has developed an analytics application for LinkedIn that allows organizations to more easily ascertain what people are connected to what potential key accounts.