“Free-range eggs probably came from hens that spent most or all of their lives indoors. And then there’s non-GMO … companies now are printing that non-GMO label on things like strawberries or mangoes, which are never genetically modified. ‘They’re doing it to differentiate themselves, even though their product is exactly the same as everything else on the shelf.'” NPR: Why Food Reformers Have Mixed Feelings About Eco-Labels.