Comment by lordvon

I get the feeling that companies like Amazon and Apple purposefully try to hide as much as possible/tolerable the fact that you are subscribed to something (specifically, Apple apps and Amazon's Audible). I've spent tens if not hundreds of dollars towards subscriptions I didn't even know I had, and I'm afraid this might account for a shocking amount of revenue, as this article suggests. Microsoft on the other hand seems to let you know when you are going to charged again (I've experienced this with my office license subscription).