"To discover to the world something which deeply concerns it, and of which it was previously ignorant; to prove to it that it had been mistaken on some vital point of temporal or spiritual interest, is as important a service as a human being can render to his fellow creatures..."
John Stuart Mill, "On Liberty"
For those that have read Matt Richtel's article and listened to our conversation below and are concerned that your brains are being rewired by your gadgets, here is Harvard psychology Professor Steven Pinker's answer in today's NY Times.