Source: http://www.searchenginejournal.com/long-tail-page-one-rankings/
Excerpt
The Powerful Long Tail of SEO: By Glenn Gabe
I think many people in Search understand the importance of ranking highly in Google, but I think too many people outside of Search are hung up on ranking for just a few target keywords. As mentioned earlier, I’ve written about the long tail of SEO on my blog, and it’s hard to overlook the power of the long tail when heavily analyzing search traffic across websites and verticals. I’m constantly talking about the long tail during client meetings, internal brainstorms, and to random people on the subway. Don’t worry, I’m in New York, so most people are used to this type of strange behavior. 
To quickly review, the long tail of SEO includes longer queries, typically including three or more keywords. These longer queries derive from your target keywords (or your head terms). For example, a head term might be Nintendo Wii, but a long tail keyword might be what are the best Nintendo Wii games. Although many people focus on head terms, the long tail might generate more quality visitors in aggregate (taking into account all long tail keywords versus just head terms). Anyone tracking SEO for a living has probably seen the impact of the long tail.
continue reading about long tail SEO by Glenn Gabe ….
