Richard Polt is a philosophy professor at Xavier University in Cincinnati, Ohio, and the author of "The Typewriter Revolution."
First it was vinyl; now, it's the typewriter. Vintage Smith-Coronas and Olivettis are hot items on Ebay and making a comeback in the age of computers. As cities around country are hosting "type ins" one can't help but wonder: are we seeing a hipster fad or the analog rebellion? Philosopher Richard Polt assesses the typewriter revolution.