I'm a huge Ted Nelson fan, but what we have is very different from what he's envisioned over the years. (Even Xanadu is very arguably not a single concept - it

I'm a huge Ted Nelson fan, but what we have is very different from what he's envisioned over the years. (Even Xanadu is very arguably not a single concept - it's evolved significantly over time, and although Ted doesn't miss much, the power and development pace of personal/portable computers and smartphones seems to have surprised even him - we don't see many roadside Xanadu stands with the big flaming X...)