> That model favors small publishers (as niche advertisers flock to niche publications) and disadvantages large generic publishers (social networks, email clien

> That model favors small publishers (as niche advertisers flock to niche publications) and disadvantages large generic publishers (social networks, email clients, portals). I agree. Advertisers would have to go back to contextual targeting, identifying websites that are likely to appeal the target audience, rather than simply buying the audience programmatically on Google's ad network