Performance Hacking: The Contagious Business Practice that Corrodes Corporate Culture, Undermines Core Values, and Damages Great Companies

August 7, 1955 is an important date in commercial aviation history. You could say it began the jet airliner age, though other dates might also qualify. Jet engines had proven successful in military aircraft. But no one knew then whether members of the general public would ever want to fly in airplanes without propellers.