With SMS, a cell phone client, a central server, GPS and a set of bar codes,
can track pharmaceutical transactions to assure consumers in third-world countries that the drugs they buy aren’t counterfeits or expired. As shipments change hands from manufacturer to retailer, the server uses positioning data, bar-code images and SMS messages to authenticate that the shipment and the parties involved are registered and that the goods changing hands are verified. If counterfeits slip in, the system will indicate where, say researchers at New York University.
Cell phones can help weed out counterfeit drugs