One other thought--you might also want to search a person's geographic area and see if you can find the best deals on the ingredients for recipes :-p But, generally--wow!!!
+1, I try to only eat locally grown produce, which of course means that the offerings are dependent on the seasons. I’d love for the app to take into account my country of residence, what season it is there right now, and then use that information to determine what’s being grown there now.