And, underneath the hood, we've seen Apple's lucrative services business consistently grow at double-digit rates year over year. With the segment commanding a gross margin about twice as high as its products business, this (along with an aggressive share repurchase program) has helped the tech company's earnings per share grow at an even faster rate than revenue. Even more, with Apple's services business growing as a percentage of total revenue, it will likely help the company accelerate its overall earning ...