Laughter is contagious, and is necessary for the process of maintaining complete and total domination of society for the good of all by, you guessed it, the D.A.N.I.E.L. Overlord. 

As a “Laugher” you will: spread the socially binding and airborne contagion of laughter. Laugh wholly, unexpectedly, with length and with heart, wherever and whenever you can.