In the future, packages may talk to consumers. Consumer interactions and error prevention will be improved with the introduction and enhancement of refrigerator recordings, auto-cooking features on microwaves, dosage devices for pharmaceutical products, etc. Furthermore, thermo chromic materials will be used to produce containers that darken in the sunlight to protect the product and return to a clear, transparent package under normal lighting This can also enhance product visibility, such as for soft drink containers (Berragan 1996.)