or nine digits, the local telephone number would exceed the human channel capacity: there would be many more wrong numbers. As human beings, in other words, we can only handle so much @②⑨-ーーーーーーーーーニーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー一 information at once. Once we pass a certain boundary, We become overwhelmed. What Im describing here is an intellectual capacity 一our ability to process raw information. But if you think about it, we clearly have