[learc83]

They are also looking for people to work with Professor Thrun's company. So maybe they are looking for people who are passionate about the class.

[aerique]

I'm passionate about the class but I also have to juggle it with a new job and family life which made approaching the class casually the best option for me.

So their metric isn't ideal for identifying passionate poeple ;-)

[learc83]

I'm sure it's not perfect, and there are exceptions. But I'm willing to be there will be a high correlation between high scores and passion.