definitely not a fan of this idea. if any of you ever want to know where i am, try asking me. i'm pretty easy to get in touch with. in fact i'll probably be a bit flatter you went so far as to call or txt me to find out where i am.
so i dont see much value in a geo-location feature for myself. advertisers on the other hand will, i'm sure, love it. "hey, you're a fan of starbucks! did you know there's a starbucks 105.8 ft that way?? awesome, you should go be some coffee there!"
facebook: taking the "social" out of "social networking." by cramming the rest of the internet in.