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Welcome to the Scientific American Podcast Science Talk posted on February 15th, 2012.

I'm Steve Merski. On this 2012. I'm Steve Mursky.

On this episode,

when Bill and I program computers,

and we now do it only recreationally.

I do.

You mostly respond to email.

Right.

But in those days, in those days,

you could hold the whole thing in your head.

Bill's probably one of the last people that held whole operating system.

I had the whole thing under my control.

That's Danny Hillis, co-founder of the Long Now Foundation and author of The Pattern on the Stone,

the Simple Ideas that Make Computers Work.

And Bill is Bill Joy, co-founder of Sun Microsystems,

and author of the well-known Wired Magazine essay,

...