You’ve read all of your free items this month.

To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in.

Advertising Age Article Abstract

Meet Google's Biggest U.S. Search Advertisers

New Kantar Estimate: IAC, Amazon.com, AT&T, Expedia, Experian and Microsoft Top the List

By Michael Learmonth, Published on December 09, 2011 2

Want more Access, Content & Connections? Upgrade to Membership.

We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today.

Become a Member

Already a member? Log in.