Google have released the "Think with Google" interviews from Zeitgeist 2010, you find more here. As you an see below, I was not the only one with a bad hair day :-).
My own contribution you find in the three clips below.
You have probably seen this speech by Steve Jobs already. If not, watch it. If you have, watch it again. If you have watched it again, return regularly to watch it yet one more time.