Yahoo and Google have both spoken to regulators about the Reuters reported on Wednesday.in which Google is serving up ads for a small number of Yahoo's search queries,
"We informed the Justice Department before we launched this test and we have been responsive to their questions about it," Google spokesman Adam Kovacevich told Reuters. Yahoo had a similar comment to the wire service.
Yahoo offered little new detail about the test during its, but positioned it as one of several things the company was exploring as part of efforts to improve its near-term revenue picture.
The Google test comes as Yahoo is under increasing pressure to negotiate with Microsoft or find a viable alternative. Microsoft has given Yahoo until Saturday to come to the negotiating table or.