Well, that's a pretty easy question for those of you who know anything about search engine optimization. The mustache part is, of course, Rand Fishkin, one of the Godfathers of SEO. In fact, these days Rand is sporting a handlebar version that pretty much crushes other attempts at facial hair resplendence. But the real star of the show is SEO, because, contrary to popular mythology, rumors of the demise of SEO have been greatly exaggerated. In a recent Whiteboard Friday, the mustacheoed one explains it perfectly.