Learn all about the new $50 bill via this nifty interactive tutorial. There is also one for the $20 bill.
For more, head over to Marginal Revolution where Tyler Cowan provides some historical background on currency and answers this question: What if modern technology made counterfeiting unstoppable?
Meanwhile, use cash: disintermediate the credit card providors and, if you will, take as many of your transactions as you can off the surveillance grid (be it marketing folks, or….).
Oh yea, it is faster and more fun to pay with cash!
Interactive stuff via The Presurfer (sorry, no permalinks).