"The GPS looks forward for me, projecting all my future successes and failings. Every bit of information helps to optimise my path. Contour maps spring out of the hills surrounding, and round the corner ahead. It took a space shuttle and an army of volunteers to help me shift down a gear, and hopefully the data exhaust I leave behind will help someone do it better next time." Tom is brilliant. I miss him.

"The technology will probably improve, but in lieu of the promised emergent web AI, we need to build more small tools, more games to bootstrap datasets, and more simple ways of encouraging people to play their part in the semantic web without ever having to explain what it is." tt++.