Scarce objects -- bearer certificates for usage control

Yup, certainly anyone who's thought about paying for, say, grid networks time, or wireless access, has at least plinked around with the subject, but it's nice that someone like *Nick* is thrashing some cycles on the problem. :-) In the interest of "telegraph, telephone, tell Hettinga", I'm just sending this along and will read it myself later. Cheers, RAH ------- --- begin forwarded text