It is often difficult for open source community members to understand why large companies do the things that they do with, around, and for (or against) open source. In this session, I will share some insight into the strategic decisions that these companies often make when it comes to their engagements with open source. I'll cover some of the reasons (good and bad) that companies open source their own software, and explain some of the motivations behind their behavior in existing open source communities.