the military has perfected phase array multi-target tracking technologies quite a long time ago :) There were similar movements in the consumer WiFi arena - tha

the military has perfected phase array multi-target tracking technologies quite a long time ago :) There were similar movements in the consumer WiFi arena - that can be equated to hub-to-switch movement that happened in the wired Ethernet years ago - yet somehow it didn't pick up: http://boingboing.net/2003/02/17/vivato-releases-pric.html http://boingboing.net/2003/02/17/vivato-releases-pric.html note especially nice thing about beam forming "which allows it to emit at very high, focused power, extending range without running afoul of FCC regs."