The top two increases to GDP are inflation and population growth. Adjust for both of them and your looking at ~2.5x growth over the fifty years from 1960 - 2010 which is about 2% growth per year.<p>PS: 2000-2010 it's flat to slightly negative despite better technology.
"serve others", can't figure out exactly his intention by sayin' that but it's a quite weird statement, IMO.<p>My opinion is: do what you want, if that pleases you, great! If that pleases even more people, greater!