The thing is, I can knit and still be paying attention. I can follow the train of conversation. I can keep up. I can recite back what you just said to me. As long as I’m not doing, you know, complicated lace or cables or something, I can even read a magazine and knit.
You can’t do that with Sudoku.
So if you are, say, serving on a jury, and you’re bored because, you know, giving another human being due process is just ever-so-ho-hum an activity…
Skip Sudoku. The vertical-writing thing will give you away every time.
Compose blog entries instead.