You've probably opened a carton of chicken broth, soy milk, or juice, used a little bit, put it in your fridge and forgotten about it. Now you've got a recipe calling for one of those ingredients, and you've got the ingredients in your fridge, but are they still good?

When did I open that chicken broth? How long has this soy milk been in the fridge? Was this deli meat from this week or last? With the DaysAgo Digital ...