[megablast]

On top of this, a number of applications, like Photoshop, will detect that you are trying to print out a US note, and will not allow it.

This seems like a lot of effort to prevent the stupidest form of counterfeiting, and doing nothing against the real problem.

[hugh3]

On the other hand, if they didn't put in a lot of effort to prevent the stupidest form of counterfeiting, then the stupidest form of counterfeiting would be the real problem.

[Devilboy]

I seriously doubt that this helps at all. If someone tried to print bank notes from Photoshop and fails, they'll just try some other graphics app. I'm pretty sure Gimp and many other apps will work just as well as Photoshop would have.