Source : AppleWhen Apple released the new MacBook models, it also adopted DisplayPort in a different size format than the one certified by the VESA: the mini DisplayPort was born. It quickly became obvious that Apple did not offered all adaptors required to use the unibody MacBooks with all type of display, and many Mac users had the feeling to revisit the ADC era and how Apple locked its hardware to its branded-display. For example, one of the missing adaptor is the Mini DisplayPort -> HDMI to allow unibody MacBook owners to use any HD video devices or TV.
Most likely to stop the growing complain among the Mac community, while preventing giving its competitors weapons to criticize the new MacBook models, Apple made a quite unprecedented announcement by offering 2 mini Display