The iPhone's text-message storage capacity has been increased from 1,000 to 75,000. If you get anywhere near that limit, either you're texting way too much or you're subscribed to egoblogger Robert Scoble's Twitter feed. Actually, this is good news. I recently hit this limit on my iPhone — I had some messages from September stored on there. Here's my question: why is there a limit at all?

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