Really? Judging by bitcoincharts.com mtgoxUSD 30d volume of 844k to EUR's 96k, I would have guessed it was US based.
Really? Judging by Google Maps Tokyo's coordinates are 35° 41′22.22″N 139°41′30.12″E, I would have guessed it was Japan based.
Ummm....isn't bitcoin decentralized? I VAGUELY recall seeing it somewhere hmmmmmmmmm......