The real reason AT&T and Verizon are pushing ‘shared’ data plans
If you’re buying a new phone this year, you might also have to sign up for a new kind of wireless service contract: “Shared” data plans, which include unlimited voice and text messaging, and let you share pools of data between multiple devices.
In today’s wireless market, where data is more useful and popular than voice service, these plans are starting to make sense for consumers. But for the carriers — which still generate the majority of their revenue from voice service — they’re an important financial future-proofer.
More, including a 10-year chart of Verizon’s voice vs. data revenue, at ReadWriteWeb.