For anyone that follows YF, you know I have long been an advocate for privacy. There are endless ways your personal data will be used against you and now, we are seeing the rise of Surveillance Pricing... https://www.cbsnews.com/news/price-tag-artificial-intelligence/ To anyone who isn't proactive about protecting personal information, you will pay the price. Avoid websites that collect personal data and limit your exposure on the web.
Well, this is already "best practice" for sites like booking dot com. Experienced it "live" when looking for prices from my Android phone and old Windows PC..., light-version is the different products offered to my wife and me if we look for the same product an Amazon...