Using Mind Manager flow charting software to create a diagram detailing how information flows through the social networking and media sites - mapping a PLE.
Excellent piece pulling together theories, making them understandable and relating them to current practice and people. Possibly only missing Lave's concept of peripheral participation and community of practice. I have always assumed an affinity between the idea of a journey from periphery to centre of a community of practice and that journey across a ZPD
There are different sets of tools involved and it may be better to develop environments which allow flexible access to different tool sets for different purposes.