What they do is this:

• Provide a common environment for everyone across the brand to plan out their campaigns and communications.
• Manage production by dozens and even hundreds of teams simultaneously.
• Provide systematic structure to make in-channel execution and reporting far more intelligent.

Users have quantified the benefits in terms of quality improvements, team efficiency, and brand governance in the millions.

We just completed our semiannual Forrester Wave assessment of the CMP space, and there are new faces and some new front-runners in the space (with some breakaway work planning capabilities and brand governance tools).