This morning I saw this great article by Cory Treffiletti on Media Post - http://blogs.mediapost.com/spin/?p=1050 talking about the value of vertically focused solutions like Jump Start, Real Girls, Active Athlete and others.
I really liked his post, here's a great quote:
"All of these models signal the shift away from large aggregate
audiences towards the development of solutions to reach the long tail
and provide advertisers with the ability to go deeper into the lives of
their audience."
Cory is right on with the article. One thing to add is that unduplicated reach is a critical piece of the puzzle. Being able to offer advertisers complete transparency and access to audience they otherwise couldn't get is really valueable.

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