Every company should work hard to obsolete its own product line - before its competitors do.
Philip KotlerThomas Edison had great visions (for lights, music players, movies, etc.) but he knew they didn't count until he could make them work. His statement that creativity is 99% perspiration makes that point. Consider how much time he spent trying to make a synthetic rubber material for tires and never stopped trying but he never succeeded.
Philip Kotler