If you've had a customized laptop for a couple of years, you've probably noticed that the battery doesn't hold a charge the way it used to.

Apple products come with a one-year service warranty (along with three months of phone tech support).

Revenue and profit-wise, Apple has had a few quarters of relatively flat performance, as the company hasn't released quite as many new products this year as tech industry watchers hoped.

Given how popular the iPad 4 is, it seems natural that the tablet industry would be doing really well as a whole, as users may want the advantages of a touch screen interface and intuitive apps but may prefer models produced by other manufacturers.