Why is Technological Change very Important therefore to how Firms Behave?

-Technological Change can impact even the Largest Firms, as Innovative New Firms can be Attracted to Industries with large Supernormal Profits. -Therefore the Incumbent Firms have an incentive to keep Inventing and Innovating, in order not to Fall Behind and to keep Barriers to Entry High -This helps the Consumer, as they enjoy Better Quality etc...