Fleshing out what constitutes a 3G versus a 4G wireless technology is like trying to objectively quantify whether Coke or Pepsi is the superior beverage -- but for what it's worth, the UN's ITU is widely recognized as the closest thing we have to a final word (on the Gs, that is, not the colas). They've just issued a press release stating that of six technologies nominated for IMT-Advanced (the formal name for 4G) certification, just two have emerged victorious: 802.16m WiMAX 2 -- also known as WirelessMAN-Advanced -- and LTE-Advanced. That would leave Sprint, Verizon, and everyone else currently deploying WiMAX and