America's Federal Trade Commission is investigating whether Amazon and Google misled advertisers placing ads on their websites, reports Bloomberg, and specifically whether the two companies "properly disclosed the terms and pricing for ads."The FTC is seeking details about Amazon's auctions and whether it disclosed "reserve pricing" for some search ads — price floors that advertisers must meet before they can buy an ad, the people said. Separately, the FTC is examining practices by Google, including its internal pricing process and whether it increased the cost of ads in ways that weren't disclosed to advertisers, the people said... According to one of the people, the FTC's latest investigation emerged from its earlier antitrust case. In that complaint, the agency alleges that Amazon litters its marketplace with irrelevant results for search queries, making it harder for shoppers to find what they are looking for and more expensive for sellers to use the platform. The practice effectively forces sellers to buy ads to make their product appear in response to consumer searches.Read more of this story at Slashdot.