Don’t you love clever ideas? This is packaging I’d love to have in my refrigerator.  (Click on photo to enlarge) from- http://followthecolours.blogspot.com/2010/01/o-leite-esta-vencendo.html “Ever thought that the packaging would change color to indicate whether the product is good or if it passes the validity?

Designer, Yang Ko, is working on milk packaging that indicates whether the product is still good for consumption or not: over time, the white box becomes orange and the expiration date will expire.”