Monitoring Services

Radian6

SM2 by Techrigy

Katie Payne (K.D. Paine and Partners) is the acknowledged measurement guru of social media as well as public relations. She has released her own measurement tool, called the DIY Dashboard, for her clients.

Her latest book: Measuring Public Relationships: The Data-Driven Communicator's Guide to Success

Her blog: KDPaine's PR Measurement Blog

Her Twitter account: kdpaine

Kami Huyse, owner of MyPRPro is another good resource for measurement.

Her blog: Communication Overtones

Her Twitter account: kamichat

Jason Falls (Doe-Anderson, Social Media Explorer) interviews Katie Paine on the ROI of social media.