4 ms·Caltech's Most Famous Pranks29 points by tech234a 5y agopilingual 5y ago>In 1975 McDonald's held a contest that allowed people to "enter as often as you wish." Whoa! I had no idea Real Genius was based on true events.srvmshr 5y agoMIT's list of hacks: http://hacks.mit.edu/ http://hacks.mit.edu/