Originally Posted by BreakPoint
OK, you are obviously not an engineer. Durability has to do with the density and thickness of the materials used. Denser and thicker materials weigh more than more porous and thinner materials do.
And no, Nike does not have a monopoly on tennis shoes. Heck, TW alone sells 15 different brands of tennis shoes. Nobody needs to buy Nike tennis shoes. If Nike were a monopoly, the ONLY choice in tennis shoes would be Nike.
yeh its not even close to a monopoly or even an oligopoly i dont think he knows what he is saying!