This is my bear case for Google. Google offers the least precise targeting compared to Facebook and Amazon. Facebook knows more about its users because users tell it about themselves and Amazon knows more about purchasing habits of its users because of thier purchase and search history. If I’m searching for something with the intention on buying it, I am going to go to the specific site - like Priceline, hotels.com,…
It also makes it possible to find users who are at different specific stages of the buying process. That's way more powerful than what FB or Amazon offer.