Posted on December 31, 1969 by Jeff Porten Tom Negrino:Who knew? RT @effandsteph: About time the internet gave us a cat dressed as a shark riding a Roomba chasing a duck. http://24.media.tumblr.com/6986166623219890aecb766874bcdd14/tumblr_mldjvvNI0Z1r6uouqo1_500.gif …