AT&T to allow grandfathered unlimited iPad data plans on iPad 2, your weekend rave to continue

Good news, iPad 3G owners. If you were lucky enough to snag one of those coveted unlimited data plans with your original AT&T iPad, you won't have to toss it when upgrading next week. The carrier has confirmed to us that those who currently have the aforementioned plan will be able to keep it on their account when upgrading to the iPad 2, which in turns gives you no reason whatsoever to turn down the opportunity. Except for the lack of a USB port, SD card slot and a screen that touts the exa

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