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MacBook Air Disassembled

Now what we've all been waiting for is a full disassembly of the MacBook Air. How take-apart -able is the MacBook Air? Is there a good opportunity for Apple to upgrade the RAM to a full 4 GB? Is it possible to swap-out the HDD with a larger capacity model, or with a non-standard SSD? And how easy is it for a user to replace the battery?

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