I edit therefore I am

Since my first post on the Netfix Prize on 03/10 a lot have changed. I made a post about Netflix Prize being a new philisophy of Innovation (in french), the progress done by competing teams are not bad.
So in order to follow the reflexion here is a post from Steven D.Levitt the author of Freakonomics on the same topic.

If you haven’t read is book, it’s great, a fun way to see economy (practical). Here is the kind of questions he tries to answer :

Which is more dangerous, a gun or a swimming pool? What do
schoolteachers and sumo wrestlers have in common? Why do drug dealers
still live with their moms? How much do parents really matter? What
kind of impact did Roe v. Wade have on violent crime?

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