Top legal counsel for Yahoo, Google, and Microsoft will address a Congressional hearing Tuesday, as lawmakers examine theand its potential anticompetitive effects on the future of Internet advertising.
The Senate Judiciary Committee's Subcomittee on Antitrust, Competition Policy and Consumer Rights will call Microsoft general counsel Brad Smith, Yahoo general counsel Michael Callahan, and Google chief legal officer David Drummond to testify as witnesses.
Lawmakers, as well as the, are examining whether Google's dominant market share in text ads that appear next to search results would , should it team up with the industry's No. 2 player Yahoo in the third-party advertising agreement.
Yahoo and Google have, noting the arrangement is flexible and would allow Yahoo to decide which, how often, and where Google's text ads would appear. Microsoft, however, .
Other witnesses who will testify at the hearing include Matthew Crowley, chief marketing officer for Yellowpages.com, and Tim Carter, chief executive of Askthebuilder.com.