Counterfeit medicine will amount to a $75 billion market in 2010, leaving death and disease in their wake, but it’s unclear whether Authentix‘s system for verifying pharmaceuticals are genuine is the right direction. Their method works by adding a chemical with a distinctive signature to the inactive ingredients – so that the suspect medication can be tested and results obtained in “24-36 hours” in a pregnancy-test-style color-changing strip. On the other hand, you could develop an innovative preferred buyer program where the consumer’s fluids are tested for the tracer materials to earn valuable rewards.