We're all too well familiar with
the ages old dictum Mo Money Mo Problems. Well, now you can use your cellphone and purple LED version of the Mobile Torch
to solve one of cash money's more vexing
problems: counterfeit bills. Hard to consider, but if enough people actually have and use one of these things then
Engadget's, um, "side business" might fall on hard times.
[Via The Red Ferrett