On one hand, that's a good idea. On the other hand, do you really want to get stuck in a bubble and only read the same thing that you've read before and nothin

On one hand, that's a good idea. On the other hand, do you really want to get stuck in a bubble and only read the same thing that you've read before and nothing new? If it's bad when Facebook does it, it's bad with book recommendations too if you ask me. And on the gripping hand...