The PR industry over the past few years has been faced with a host of new opportunities for reaching consumers. Add to that growing list Second Life, a virtual 3D community where users choose avatars to represent themselves as they go about everyday activities while trading in real money for virtual dollars.

Founded in 2003, Second Life has grown from 350,000 to 500,000 "residents" in just the last quarter alone. Companies like American Apparel and Starwood Hotels have a presence ...