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Apple has a bottom bulge on their notebooks whereas Microsoft doesn't: http://www.pcmag.com/media/images/427048-apple-macbook-air-13-inch-2014-ports.jpg?thumb=y

• millstone 9y ago
  Thanks, I think that explains it. That bulge provides space for ventilation and makes it easier to lift.
  • randyrand 9y ago
    It's mostly to make the laptop look/feel thinner. Has nothing to do with ventilation.
    • askvictor 9y ago
      Indeed, compact cameras have been doing this for decades