They have to keep up the appearance that they are pretty much the only cola drink you ever want to buy. If they stop all their advertising, people would start s

They have to keep up the appearance that they are pretty much the only cola drink you ever want to buy. If they stop all their advertising, people would start seeing other brands (and I don't mean just Pepsi, all the other lesser known local brands as well) as viable options. At least I think that's their logic.