 It is made up of these layers, carefully designed layers of semi-permeable membrane that are allowing the passage of gases back and forth in this precisely tailored amount to keep your lettuce leaves live. So you think it's a bag of salad. It's actually this high tech, you know, breathing apparatus for prolonging the life of salad leaves. That was the thing I took away. You know, you hear about these Silicon Valley billionaires and their whole, you know, wanting to be