"Many businesses think they collaborate. But content professionals today are tugged in multiple directions, and expected to multi-task their way through an increasing amount of work with the help of software tools designed to make them more productive. The variety of tools to choose from, the time needed to adopt them and adapt to new ways of working, and the resistance to change in many corporate cultures are all factors that contribute to a very different reality – one in which collaboration is not as vibrant and widespread as it could be."
Stewart Mader and Scott Abel conducted a survey in May this year on why businesses don't collaborate although they think they do. They have now made the results from that survey available in a report at Scribd.
Why Businesses (Don't) Collaborate: Meeting Management, Group Input and Wiki Usage Survey Results