Brand Monitoring Firms

Biz360 (my favorite name)http://www.biz360.com/
Umbria is a marketing intelligence company that analyzes social media—including blogs, message boards, Usenet, and product review sites. Umbria delivers not just data, but insights into brands, markets, consumers and trends. "Umbria has developed a breakthrough technology that can ...determine who is doing the speaking. Male. Female. Gen X. Baby Boomer. Gen Y."http://www.umbrialistens.com/services/index.php
BrandIntel http://www.brandintel.com/methodology.html