From RDFaWiki

Conferences and BarCamps

If you are going to speak at a Barcamp or other conference about using RDFa, please put the link in here so that others know that you've advocated the use of RDFa.

T-shirts, mugs and other paraphernalia

We're looking for people that can do really great t-shirt design and create logos for mugs and other items that people can buy to advocate RDFa. If you've got a link to a site where we can acquire RDFa "stuff", please place it here.