1. A quality management system for products comprising: a multiplicity of barcoded quality indicators each operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality affecting parameter; a barcode indicator reader operative to read said barcoded quality indicators and to provide output indications, said barcoded quality indicators being readable by said barcode indicator reader at all times, after first becoming readable, including times prior to, during and immediately following exceedance of said at least one threshold by said at least one product quality affecting parameter; and a product type responsive indication interpreter operative to receive said output indications and to provide human sensible, product quality status outputs.