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Well, considering the black and the white plastic are the same material, it actually is just preference. The only difference is that the white could potentially become yellow from sunlight and the black is always smudgy.
 
Well, considering the black and the white plastic are the same material, it actually is just preference. The only difference is that the white could potentially become yellow from sunlight and the black is always smudgy.

Wrong. The outside is made of different material, while the inside (screen bezel, palmrests, around the keyboard, etc) is very similar.
 
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