Today’s must-read is this interesting piece from CNET that explores how times have changed for mobile network operators over the last few years. Carriers once completely dominated the industry, but Apple took a wrecking ball to the space with its iPhone and App Store. Handset subsidies are increasingly costly for carriers, and the gap between mobile data usage and mobile data revenues continues to grow. But all this is good news for consumers, of course, who are actively seeking the best deals and embracing prepaid plans.