Washington Post notifies subscribers their rates are set to increase, explaining the price rise“was set by an algorithm using your personal data.” https://washingtonian.com/2026/03/12/the-washington-post-is-using-reader-data-to-set-subscription-prices-how-does-that-work/
The Washington Post Is Using Reader Data to Set Subscription Prices. How Does That Work? - Washingtonian

If recent events have not compelled you to cancel your Washington Post subscription, then you might have been in for sticker shock at the dawn of your latest billing cycle. Many readers have been notified via email that their subscription rates are set to increase. Nestled at the bottom of these emails, you'll find an

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@newsguyusa Predatory behavior that even casinos aren’t allowed to do.
@mattblaze @newsguyusa Sooo, if I have a hot dog stand without a posted price list and Bezos orders one with onions, can I charge him $10,000,000.00 ?
Then sue when he balks? I already handed it to him, I can't sell it to anyone else. It's a fair price based on his data.
@PizzaDemon @mattblaze @newsguyusa As long as it’s not a form of general discrimination (race, religion, etc.. ) then yes… there is nothing stopping you from charging a customer (like Bezos) whatever the heck you like. Or refuse sale. Not sure you can sue if he turns down your offer though. Oh and you can show a price list if you like, Bezoboy can accept your offered price or take a walk.

@kDelta @mattblaze @newsguyusa IANAL
I understand that most forms of price discrimination/ dynamic pricing are technically legal but I wanted to paint a dramatic example of how absurd it can be. It can also be truly damaging: retailers charging a couple % more when they know you've just gotten paid. Gig employers offering a couple % less when they know you're late on your bills.

I stated JB had the hot dog as a crude offer & acceptance of consideration.