Can't remember what apps, movies, TV shows, or music you bought on iTunes, when you bought it, or how much you paid? Maybe you need to reconcile your bills, keep track of the kids, or even get a refund for something that went wrong? The advantage to buying online is that it's easy to find a list of what you bought. Unlike most online stores, however, Apple doesn't make your purchase history available on the web. To find it, you have to go to iTunes on Mac or Windows!