And OFDM is a technique, not a standard. It's used in DSL, in some WiFi implementations - and in UWB. A wireless mesh - like the one Sonos ZonePlayers use to distribute music around your house - or a UWB connection between Zunes; those make more sense to me for social music.
Want to share tunes faster? Siemens has a class 1, 100 foot Bluetooth interface for pushing music over A2DP to five headsets at once...
Y'know what bugs me about blogs as sources? Blog A says they got it from site B, which says they got it from blog C, which might credit blog D. Blog E credits blog F - often not mentioning any of A-D. None of them have a link to the primary source - the FCC. I don't blame them - I can't find the application on the FCC site with both hands and a shovel. But this 'I'll mention what's cool that I saw' round robin makes it very hard to find out more. I linked to the blog where
sbisson first saw this, which claims to have made (gasp) phone calls and checked stuff out; if they had an FCC link I'd really rate them... 