The Association of National Advertisers sent a letter to the Justice Department on Sunday, citing antitrust concerns over the proposed partnership between search leaders Yahoo and Google.
The ANA represents about 400 companies that spend about $100 billion annually on advertising. It represents and protects the interests of its members, while also advocating good advertising practices.
While on its face, the Yahoo-Google deal amounts to little more than Yahoo joining Google's vast network of advertising clients, it does give the Mountain View, Calif. company control of an overwhelming majority of the Web's search advertising inventory.
Read more: BetaNews
