Today, We're Very Dependent On Cheap Energy.

I Considered Law And Math. My Dad Was A Lawyer. I Think Though I Would Have Ended Up In Physics If I Didn't End Up In Computer Science.

If You Say To People That There's Less Violence Today Than In The Past, They Would Be Stunned To Hear That. But It's The Truth, Even Though We Have Awful Things Happening In Syria Or Sudan.

When Paul Allen And I Started Microsoft Over 30 Years Ago, We Had Big Dreams About Software. We Had Dreams About The Impact It Could Have.

So On The Demand Side [for Energy], There Have Been A Variety Of Policies That Globally Have Been Way Over $50 Billion A Year Of Tax Credits, Raising The Price Of Electricity Through Things Like Renewable Portfolio Standards, So The Total Amount Of Money That's Gone Into Sending A Price Signal To Push Up Demand Versus What Would Happen Without It Has Been Gigantic.

Software Will Get To Be Somewhat More Mature, Ah, But It Will Never Be As Predictable As Most Areas Of Engineering.