http://xkcd.com/1053/ http://xkcd.com/1053/ It's how people learn, and you can choose to help them and share in the learning as even the teacher gets to learn

http://xkcd.com/1053/ http://xkcd.com/1053/ It's how people learn, and you can choose to help them and share in the learning as even the teacher gets to learn from a student.