Apple: The Most Valuable Company Ever

As the following info graphic shows, Apple recently become the largest company in world history, eclipsing Microsoft's peak in 1999. Maybe its because I do not own an iPhone or iPad, but it seems to me that a company that bases 72% of its revenue off just those items would be susceptible to competitive forces taking away from their market share. This is unlike Microsoft in 1999 who had a monopoly on their software in every PC sent out around the world. I certainly would not want to own it, but I definitely don't have the courage to short it. Here are the details on the largest that ever was:
  h/t Pronto.com