Has this happened to you? You’re in the grocery store. You walk up to the refrigerated section to buy eggs. You scan the shelves. Some eggs are priced at $2.89 (or cheaper). Others cost $5.99 (or more). Why? You scan the marketing claims on the outside of the cartons. “Cage free”… That sounds good, you think to yourself. Being in a cage would be uncomfortable. You put the cage-free eggs…