I'll give you one case when this is useful. Let's say that you have to select 20 titles out of hundreds of books. [1] If your browser allows it, it would be con

I'll give you one case when this is useful. Let's say that you have to select 20 titles out of hundreds of books. [1] If your browser allows it, it would be convenient to open N amazon links (for N in (100,999]), and then eliminate books as you go through them by closing tabs. In the end you may remain with 20 books or so you shortlisted. 1. I have a similar usecase for http://anynewbooks.com http://anynewbooks.com, even though the process is quite different thanks to a ranking algorithm that preliminarily sort the books in a sensible way.