A fun-to-read-about (but not illegal) sweepstakes hack was done by a bunch of Caltech students in the 70s. Coincidentally, McDonald's was the target there, too.

A fun-to-read-about (but not illegal) sweepstakes hack was done by a bunch of Caltech students in the 70s. Coincidentally, McDonald's was the target there, too. http://hoaxes.org/archive/permalink/the_caltech_sweepstakes_caper http://hoaxes.org/archive/permalink/the_caltech_sweepstakes_...