Tbh, if Apple have got anything right, then it's their marketing.
Think about it. For Example the AirBook then it came out, wafer thin...fit's in an envelope, and stuff.
All great technological feats I admit, but instantly stumped if I walk up to an owner and ask him to play a DVD or something disc related, because for that to happen you have to buy an add-on USB optical drive, making you look less suave and sleek at Starbucks, rofl.