Verizon Wireless isn’t making it easy for loyal, longtime smart phone customers to keep their existing unlimited data plans, CNET reports. And now some subscribers, who are willing to pony up the full price for a new smart phone, worry that Verizon may change its policy again and get rid of the plan for everyone. Truth be told, few people actually need unlimited data. But for those who do, it’s a good deal. In fact, it’s such a good deal, these customers worry about losing it. And if you’re a Verizon customer, who wouldn’t worry?