I don't have any horses in this race, so I am not trying to take anybody's side, but since you ask, here is my opinion:
A retailer is by default selecting what items to sell.
A search engine is by default crawling everything.
So one is kind of opt-in and the other opt-out.
I don't have any horses in this race, so I am not trying to take anybody's side, but since you ask, here is my opinion:
A retailer is by default selecting what items to sell.
A search engine is by default crawling everything.
So one is kind of opt-in and the other opt-out.