Rite Aid used facial recognition in largely lower-income, non-white neighborhoods. The systems included one from a firm with links to China and its government

Online advertisers don't need huge lists of the sites we access. Just 50-150 of our favorite sites are enough.

It’s possible that you posted something online 10 years ago, and it was fine back then, but 20 years from now you will hope that no one finds it. My message is: the Internet never forgets, cultures change, and retroactive laws exist. People can get screwed over digital data.