[Maximus9000]

> can refrigerator design help

or perhaps a software solution can help. Your fridge could recommend you eat certain things which are about to go mouldy.

[glup]

You can also use the neural net between your ears

[phonypc]

Haven't heard of this. Who sells them and for how much?

[jimktrains2]

As with most things, it's the input that's the problem. Just getting most people to scan what they take in and out and how much is used is problematic, not to mention entering what leftovers are and printing labels or something for them.