Hacker News Reader

Having used them, they are as stupid as you imagine and more so. I just don’t bother with them because it always ends with disappointment.

Dynamic pricing. It's the holy grail of sales. Other stores have opted for simpler technology like e-ink tags. This was a pretty big leap.

this is such a small part of that though: posting the current price. Still needs to tie into the entire POS system. It's also for products that don't really show very elastic pricing, so not sure how much surplus there is here.

Because of the ad industry brain rot.