Cloning passport card RFIDs in bulk for under $250

http://www.youtube.com/watch?v=9isKnDiJNPk

Note: this technology is and will be be used in ID cards(+creditcards+...) in the US and EU countries[1].
I will be the same standards so basically soon you will be to be tracked worldwide.

[1]Economic Integration Between the United States of America and the European Union http://www.whitehouse.gov/news/releases/2007/04/20070430-4.html