Careful not to sacrifice longevity with commoditization. The margins become so little, that short product lifetime becomes the comapny lifeline, the last way to

Careful not to sacrifice longevity with commoditization. The margins become so little, that short product lifetime becomes the comapny lifeline, the last way to increase sales. Eventually the service becomes too lousy and customers shy away. In some respect, this is happening with car industry. HP is also a good posterchild with it's printer cartridge scheme. Goldstar?