Every week, Ken Jennings and John Roderick add a new entry to the OMNIBUS, an encyclopedic reference work of strange-but-true stories that they are compiling as a time capsule for future generations.
In which we learn that America's love affair with do-si-dos is a relatively recent and artificial form of nostalgia jump-started by Henry Ford's hatred for jazz, and Ken misremembers "krumping." Certificate #42537.