To truly alter shopping habits, this clever device needs to be distilled down into a net service you can use from your cameraphone. Much like the cellphone amazon price checker.
The device scans barcodes of goods, and makes a clicking noise based on the environmental or ethical record (selectable via the “sensitivity” switch) of the manufacturer. The more “click click” you hear, the worse are the ethics of the company.
The system works by correlating several online bardcode databases with a pollution database and a corporate ethics database.
Via We Make Money Not Art