Yahoo reported that the $100 bill is set to undergo a change in appearance and security. Tiny lenses will cause a morphing affect in the presidential image. The technique is difficult to reproduce and expensive to implement. Counterfeiting will become extremely difficult to do.
"The government says $118.1 million in counterfeit U.S. currency was detected in 2006, an increase of 3.8 percent from 2005.
While that is a fraction of the currency in circulation, the Secret Service is concerned with the threat, especially the challenge posed by new digital technology. Digital copies account for about half of all counterfeit notes passed in the U.S., compared with less than 1 percent of all counterfeit bills detected in 1995."
With the development of every technology for great uses there comes the cost of security, among others. It's good to see the implentation of some of these technologies in protecting the nations economy.