Clear coffee seems like a great idea, given the fact that it doesn't stain teeth, and it's bottled.
The company which invented CLR CFF, was founded by Adam and David Nagy, and they claim is the “first colorless coffee in the world.” Other clear versions of popular drinks failed over and over, with Zima, or Crystal Pepsi as best examples. CLR CFF was launched as the product that will prevent you from staining your teeth, and it looks like this marketing approach might work for the two brothers.
I believe that coffee is not just a carrier for your daily caffeine dose, but it is a reason to enjoy a small pleasure in life. Let's think gourmet and specialty coffee, and not caffeine shot.