Couch Surfing Revisited...Freedom to Sleep Around and Couches in Motion

Sometimes I pick up the paper or a magazine and I go, Hey! I wrote about this already.
Such a thing happened with Surfing the World Wide Couch by Penelope Green (New York Times, September 20).
 
The piece covers The Couch Surfing Project but actually brought back not one but 2 stories I did.
 
The first one Couch Surfing...Not the Super Bowl kind is on the same topic but The World's Fastest Couch the second one that came to mind is about a motorized couch...that could...