You took the words out of me. Even if there are no external customers waiting for the release, a business' other departments have to plan their activities. Whe

You took the words out of me. Even if there are no external customers waiting for the release, a business' other departments have to plan their activities. When will marketing start their pre-release activities without engineering's estimates? When will sales start talking to customers about the new release? There is just too many things that need engineering's estimates.