Craig Davis, Chief Creative Officer at Publicis Mojo just launched a wonderful site to help people distinguish between good (karma) brands and bad (karma) brands. It’s called BrandKarma and it’s the first brand-centric social media platform.
For more information check out Simon Mainwaring's April 6th blog post, "Is your brand on its best behavior? Ask Brand Karma."
Related link on Bisbane Times, from Julian Lee's April 2 post "So Far the Karma isn't That Good."