I do many EBC's to Cisco customers on collaboration and begin each EBC with the importance of EA and that IT must speak with business leadership to understand their goals and create a collaboration strategy that will meet those goals. I'm surprised at how many customers don't have a formal EA process or IT has to guess at the business needs and sell the technology, which leads to band-aid fixes instead of driving to a desired end state. Collaboration is all about teamwork, bringing people together to meet a common goal. It's a natural fit with Enterprise Architecture