What sales numbers or statistics would have helped you predict what the iPhone would be like before you knew anything about it other than "Apple is working on s

What sales numbers or statistics would have helped you predict what the iPhone would be like before you knew anything about it other than "Apple is working on some kind of a phone"? All we know today is that Apple is working on some kind of a tablet. There are no relevant facts or sales numbers that would have improved the article. Whatever market Apple creates or redefines with the new device will look completely different afterwards.