Esther Schindler writes "We always talk about how programmers improve their skill by reading others' code. But the newbies aren't going to be as good at even doing that, when they start. There's some cool research underway, using eye tracking to compare how an experienced programmer looks at code compared to a novice. Seems to be early days, but worth a nod and a smile." Reader Necroman points out that if the above link is unreachable, try this one. The videos are also available on YouTube: Expert, Novice.