Companies cannot really see beyond their current customer base. They explicitly or implicitly do things to protect their current customers. And the last person to want real change is your customer. This is why most new ideas come from small companies that have nothing to lose.
Nicholas NegroponteIn the world of computers and just devices in general, the lifespan, or the shelf life, is relatively short just because technology moves so fast and the costs drop so quickly and the power, whether it's computing power or memory rises very, very quickly.
Nicholas Negroponte