I used to to that with Amazon. About a decade ago, I added an Amazon banner, and the link included a search term. So I would add an appropriate search term (r

I used to to that with Amazon. About a decade ago, I added an Amazon banner, and the link included a search term. So I would add an appropriate search term (related to the top blog entry on the page, which is where the Amazon banner appeared). Sometime in the past few months, Amazon removed that and only allows generic sales banners to be presented.