This article from Mashable takes an in-depth look at what some of the
top brands are doing with their online social networking sites.

Youniverse

From
Pepsi to Disney DXD and MarthaStewart.com to the Toyota Hybrid fan site, brands
are doing lots of innovative things with their sites -- whether they're
intended as a group-hug hub for fans or as communication centers. This
is a great at-a-glance look at what some people in the industry are
doing.

ON: Social Brands via @jpenabickley