During a trip to Atlanta, Georgia I saw a billboard advertising some type of energy drink, which featured a male electric guitarist with waist-length hair. I think this is encouraging because it could be evidence that the popular media perception of long-haired men is improving.
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I feel bad no one responded, so I will. We have a few TV advertisements with long hair men. JG Wentworth comes to mind.
I can't think of the other, but it has longhair guys made up to look like Vikings. I think one of those guys in the ads posts here occasionally.
Scott