Revolutions

An interesting article at Cafe Hayek explores the transformational value of human inventions.  What is more revolutionary, indoor plumbing or the Internet?  The commenters muse about living on the cusp on an age in which knowledge is shared worldwide in ways that were unimaginable a few years ago.  Not so far back in my life, I couldn't have guessed what conversations I'd be having daily with people all over the world.