Bangladesh, Jan. 4 -- We're losing that sprightly feeling. From 1954/1956, Alfred E. Newman's "Mad Magazine" depiction captured it most poignantly: "What me worry?" His smile projected a sunny epoch. It was not just the Baby Boomers (born 1946-66) taking music to the dance-floor for more people across the globe than ever before: few, if any, in Generation X (born 1966-76), Generation Y (1977-94, also known as Millennials), or Generation Z (born 1995-2012), have reached out to an even wider audience with as much of a pack-full of pleasantries since. Few, if any, software innovations today carry the attraction of Neil Armstrong and Buzz Aldrin de-boarding Apollo 11 to walk the moon (and thereafter visiting more countries of the world than any...