Broadband and wireless expert John Navas talks about 2.5G technologies that are being integrated into today's wireless networks in expectation of future 3G (third generation) networks. The Pentagon has agreed to shift some military communications to other frequencies, which frees up space in the airwaves for advanced mobile phones and other wireless gadgets. He'll talk about what this change will mean for 2.5 cellphones, what data speeds they'll have, special features of 2.5G, examples of new phones taking advantage of 2.5G and more.