P&G Transformation from R&D to C&D (Connect & Develop) innovation model

In a HBR article (subs req) Larry Huston and Nabil Sakkab who are vp for product innovation and knowledge and senior vp for corporate research and development respectively for P&G explains how P&G is transforming their innovation process by aiming to acquire 50% of their innovation outside of their company through implementing a "connect and develop" strategy.

Authors list yet2, innocentive, ninesigma, and yourencore as some of the sources that they rely in the open networks.

It would be interesting to know if there is any research to see if other corporations are moving in this direction in their innovation process.