If the good guy gets the girl, it's rated PG; if the bad guy gets the girl, it's rated R; and if everybody gets the girl, it's rated X - Kirk Douglas
Jeremy Muncy, a writer for the site, said that a billboard with a maths puzzle was a way to weed out the innumerate chaff from the brainy wheat.
Google created a puzzle that if you solved takes you to a page called Google Labs, which suggests that those with the answer should apply to them for a job.
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