The Centers for Disease Control and Prevention's excursions into Second Life and Whyville caught the attention of Alison Young at the Atlanta Journal Constitution (subscription required). She reviews the CDC health fair in Second Life as first described at Spare Change and the Y-flu immunization program as chronicled right here.
"We have to be mindful of what's happening in the marketplace so we can be there," [said Director of the CDC's Division of e-Health Marketing Janice Nall]. "We're supposed to be leading in public health. Not following."
So perhaps it is true that MSM follow blogs.