The foundation would be
(1) food (
not much going on)
http://online.wsj.com/article/PR-CO-20130417-908270.html?mod=googlenews_wsj(2) rent (ontario, NYC, somewhere-else-in-the-US-can't-remember, Germany)
(3) energy (not much going on)
(4) health services (dentist in Finland)
(5) salaries (archive.org, p2p foundation) Lots of freelancers are doing more and more business in Bitcoin (me included)
(6) entertainment (
?) many, many artists are selling their albums and artwork for bitcoin. Mostly indies at this point. But I see a new announcement every day almost. For example:
http://i.imgur.com/cnE0ISm.pngMade a few additions. It's a good list. I like it as a foundation for consumer Bitcoin use.
But I like the idea of Bitcoins for commodities, too.