Comment by WalterBright

I've never encountered or heard of a grocery store that didn't mark the prices on the shelves.

> asymmetric with the benefit going to the corpo

You have the power to say "no". The only transactions you are forced into are the ones dealing with the government or the mob.

> inability to appeal to a human

I was stonewalled by a gigantic corporation the other day over a substantial sum of money. I googled the name and address of the CEO, and sent him a hand written polite letter. My issue was promptly resolved.

I know the CEO didn't read the letter. But he has staff that does, and hand writing a letter will get their attention, as well as reminding them that I was a loyal customer.