[enraged_camel]

>>Would you buy less books if you had to click a confirmation window?

Isn't it well-documented that the more steps you have during th purchase process, the lower your conversion rates? I'm sure this is especially true at Amazon's scale.

To be specific though, if I'm on my phone and I see a confirmation window, I might postpone the purchase until I'm in front of my computer - and by then I might forget about it. One click purchase completely bypasses these types of scenarios.