Raindeer writes: T-mobile NL saw a great increase in mobile data usage from the introduction of the iPhone 3G. The monthly usage of mobile increased from 12Terabyte to 80Terabyte a month. How stunning a number that is, I only realized last night in bed. The average iPhone user uses 640MB per month. T-mobile also said it was 30-40 times more than the average mobile data user at 16-22MB per month.
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