TidBITS editor Glenn Fleishman offers strategies over at Macworld for how to cope with just 250 MB of cellular data a month on a 3G iPad when using AT&T's less expensive service plan. The advice is also worthwhile for non-U.S. plans that either have monthly usage caps or throttle to a lower speed after a preset monthly limit is passed. follow link
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Strategies for Using Less Data on a 3G iPad