This is fascinating, not only in providing a bit of information about the resilience of Wikipedia pages to vandalism but also in graphically illustrating the flow to the adjacent possible, ever-growing and branching, that makes the system not just a repository of knowledge but a means through which it grows.
Address of the bookmark: http://www.research.ibm.com/visual/projects/history_flow/results.htm
I am a professional learner, employed as a Full Professor and Associate Dean, Learning & Assessment, at Athabasca University, where I research lots of things broadly in the area of learning and technology, and I teach mainly in the School of Computing & Information Systems. I am a proud Canadian, though I was born in the UK. I am married, with two grown-up children, and two growing-up grandchildren. We all live in beautiful Vancouver.