Gigglebug, a newly released iPad app from Finland, uses infectious laughter to encourage social play among children. Through touching and swiping the screen, players can tickle various 2D animated characters to make them smile and laugh. This sort of interactive, responsive play is irresistible to kids, and elicits a reaction that may or may not be desirable to parents:
Infectious laughter has proven to be a guaranteed form of entertainment—how else could videos of laughing babies have 60 million views on YouTube? Several cartoons, toys and other products have found success in using laughter, such as Sesame Street shorts and Tickle Me Elmo.
Then there’s Sh-h-h-h-h-h, a clasic Tex Avery cartoon about a man trying to escape the constant laughter and noise of his surroundings. The soundtrack of the cartoon comes from the early-1920s Okeh Laughing Record, a bizarre recording that features a man and woman laughing uncontrollably.