I met Peter Vogel at iDate. Peter currently serves as senior director of marketing and industry scout for Memolink. He’s written a few articles about virtual economies and social advertising I found interesting.
http://www.adotas.com/2008/06/dont-lol-social-ads-rev-up-revenue/
http://www.adotas.com/2008/07/social-media-back-to-basics-for-cash-bonanza/