Cool People Cool Places

I've been talking to some very cool people now and I'm amazed where some people are calling from. Just got off the phone with Sara from Germany. Cool chick, who loved this idea. In fact, we got to talking about another idea, which anyone is free to pursue.
IWantAPostcard.com. Have you gone to someone's house and seen a fridge pasted with all these cool postcards from all over the world. How cool they must be. How traveled, how worldly, how popular. Well what if you could go on a website and exchange postcards with people. Someone would just leave their location and an email. You would contact and exchange address' and postcards. What do you write on it? Just go to quotes.com and use their material, who cares.
Well, I would really like to call some people in some cool places. Are you in New Zealand? How about the Amazon? Down under in Australia? South Africa? I'm going to need skype for all this.
Ok, three people to call now, one is from Thailand...