Om Malik breaks the latest story: high up on the spectrum, it's gigabit wireless: While you can squeeze gigabits per second out of long-haul wireless using equipment from Proxim and a few others, short-range Wi-Fi-like gigabit networking is out of the question. Or is it? Om Malik finds that a serial successful businessman in the networking space has his sights set up on the 56 GHz band in which he hopes to offer 2 Gbps on a wireless LAN with full security across each layer. When you're developing new protocols, you can think about layer-based encryption or embedding encryption into the stack.