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> I bet it will be used to sell more targeted goods and services.

Plenty of companies have been shoving all the unstructured data they have about you and your friends into a big neural net to predict which ad you're most likely to click for a decade now...

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Sure but not images and video. Now they can look at a picture of your room and label everything you own, etc.

yes including images and video. It's been basically standard practice to take each piece of user data and turn it into an embedding vector, then combine all the vectors with some time/relevancy weighting or neural net, then use the resulting vector to predict user click through rates for ads. (which effectively determines which ad the user will see).

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