As mobile operators continue to move toward the promised land known as "the future," it grows ever more important for them to make some room for it. AT&T announced today that it has started the process of refarming its 2G 1900MHz spectrum in New York City, which should alleviate some of the growing demand on the carrier's 3G and 4G networks within the city. AT&T isn't volunteering specific details on how long the transition will take, and it's only saying that the freed-up bandwidth will be used for high-speed services. There are still plenty of customers on 2G-only devices that will be affected by the transition -- they may still