Depending on how much you shop, watch and read with Amazon, the e-commerce behemoth may know more about you than any other company on earth.
The big picture: Naturally, they know what you've browsed or bought on their main service. They also know what you've asked Alexa, watched on Prime, and read on your Kindle. They know even more thanks to their ownership of Whole Foods, Ring, Eero, Twitch, Goodreads, IMDB and Audible.
Details: As with Google or Facebook, what Amazon knows depend on how much you rely on its services. That said, these days Amazon's services are all around us. Here are some of the different types of information gathered by various Amazon services.
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