They say mergers are coming in both India and Sri Lanka. I’d prefer clear guidelines rather than discretion, for reasons like this. A rash of consumer-friendliness has broken out across the mobile data industry. Over the last year, the four major carriers — AT&T, Verizon, Sprint and T-Mobile — have cut prices and offered greater flexibility in how they sell their voice, text and broadband services. The industry could be on the verge of an all-out price war.