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It strikes me that this would be the perfect way to generate consumer interest in anonymous digital cash protocols [. . . .]

The "cause" will do much better if the first major association is made with something much less controversial. Girl Scout cookies, say.

Girl Scout Cookies do crumble a bit when crammed through the net, and it's tough to deliver them to anonymous locations, unlike bits. And there are moral concerns there as well - not only do their "butter cookies" use non-butter shortening (:-), but there's the problem that it turns the Girl Scouts into a crass commercial enterprise, just another division of Nabisco, instead of teaching the kids that hard work will get them a 7 percent margin on their sales. On the other hand, being able to have Girl Scout cookies or flowers sent by anonymous donors may go over well in some circles... Bill