The word for that is http://en.wikipedia.org/wiki/Transclusion , and it's interesting that it was a core component of Xanadu (see the Wikipedia link there).

Yeah. I know.

We also need a micropayment processor that can do sub-penny transactions.

EDIT: Actually, I would be fine with penny transactions considering that the current state of things with say, paypal; is 30+ cents per transaction.