By Sarah Jean Callahan Frito-Lay snacks will have a new look to the products and packaging. Why does PepsiCo’s (PEP) – Get PepsiCo Inc. Report Frito-Lay feel it is ok to sell consumers air with their purchase? The Frito-Lay isn’t selling air, but yet every bag you buy, every bag you open, the first thing that happens when you open the bag, is all the air lets out and your chips or snacks are in the bottom maybe only filling have the bag. One would think if the company were going to just fill it with air, why not make the bags smaller? Well, that’s not really what’s going on. The sealed air in …