Dwight Merriman is executive chairman and co-founder of MongoDB, an open source document database. Prior to MongoDB, Dwight was co-founder of DoubleClick and Panther Express (CDNetworks). He will give a keynote at the upcoming All Things Open conference in Raleigh this year. In this interview, I asked him a few questions about open source, MongoDB’s business model, the challenges of hiring developers, and more. Dwight discusses open source and how it has moved from being accepted to expected.