The other day while surfing I stumbled across this company Proximity Media. They do "locaton based bluetooth marketing". I love the concept...you walk by a Starbucks and 'boom'...there's the latte coupon! They claim their technology works up to 100+ meters....not bad.
This is the ultimate example of micro-targeting advertisting that is trackable. A great concept that should surely be embraced by the music industry and any other large retail chains.
Following in the new media footsteps CBS just announced a deal with social network LOOPT. Check out the story here.