Slashdot reader jjslash writes: The average cost of a gigabyte of mobile data in the U.S. is $6, while the most expensive data plan in the country offers a gig for $83.33. That makes the U.S. one of the most expensive countries in the world for mobile data, even though some plans can still get you a gig for as low as $0.75. The situation in Canada isn't much better, with an average price of $5.37 per GB, but it's much cheaper to surf mobile internet in the U.K., thanks to an average price of $0.62 for a gig.

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