The hammer is a given, the pen is not. No matter what happens, the hammer will still be there because nobody, and I mean nobody is going to stop the hammer.
But, the question is which one influences the most, not which one is more important. So, my answer is: The Pen. Without the pen, the hammer would remain about the same for all of eternity. With the pen, the market is driven to new heights and more is possible to accomplish.
