Peter Norvig: From Books to Paragraphs

You look at Knuth's original Literate Programming, and he's really trying to say, "What's the best order for writing a book," assuming that someone's going to read the whole book and he wants it to be in a logical order. People don't do that anymore. They don't want to read a book, they want an index so they can say, "What's die least amount of this book that I have to read? I just want to find the three paragraphs that I need. Show me that and then I'll move on." I think that's a real change.

 How a Lack of Vocabulary Can Turn a Child Off to a Subject

Consider the case of a child I observed through his eighth and ninth years. Jim was a highly verbal and mathophobic child from a professional family. His love for words and for talking showed itself very early, long before he went to school. The mathophobia developed at school. My theory is that it came as a direct result of his verbal precocity. I learned from his parents that Jim had developed an early habit of describing in words, often aloud, whatever he was doing as he did it. This habit...