Charles Petzold

Many MIDI files contain entire musical compositions. Because MIDI supports only 16 channels, however, no more than 16 different instruments can play at any time, and one of those is the key-based percussion instrument.

I really liked figuring things out on my own. Early on in the development of a new version of Windows, I would explore it, I would try out various things, I would see what worked, I would see what didn't work.

I want to tell mayors, county chiefs and heads of big companies: don't just chase GDP growth; don't chase the biggest profits at the expense of our children and grandchildren and at the cost of sacrificing our ecological environment.

I remember watching 'Colombo' a lot with my dad. That was one of the first detective shows I remember watching. And I remember my dad turning to me - my dad loves to turn to me and explain why things are funny. He used to do that with 'Seinfeld' all the time. He did it with 'Colombo', too, set the scene.