The FTC is investigating whether Amazon and Alphabet's Google misled advertisers that place ads on their websites, a source familiar with the matter said.
The investigations are being conducted by the FTC's consumer protection unit and focus on whether Amazon and Alphabet properly disclosed terms and pricing for ads. Alphabet did not immediately respond to a request for comment. Amazon declined to comment.
Both Google and Amazon are facing trial this month in separate lawsuits brought by federal agencies. Read more.