just an idea.http://elearnmag.acm.org/featured.cfm?aid=2035934

http://scienceroll.com/2007/06/17/top-10-virtual-medical-sites-in-second-life/

(It aims to assist students to become more proficient in initial exam history and physicals; to become more proficient in the analysis of MRIs, CTs and X-rays.)

(You get to learn more about medical cases with images, videos, patient stories and web links. And get the chance to discuss those cases with medical students and physicians from around the world.)

Creating an avatar helps people on getting more knowledge on information for certain fields they want to go in.