Amazon is piling ads into search results and top consumer brands are paying up for prominent placement - Earth News Report
The Amazon logo displayed on a smartphone and a PC screen.Pavlo Gonchar | LightRocket via Getty ImagesSearch for "toothpaste" on Amazon, and the top of the web page will show you a mix of popular brands like Colgate, Crest and Sensodyne. Try a separate search for "deodorant" and you'll first see products from Secret, Dove
