Great point. Study claim is geolocated tweets *not* that people living there tweet. Seems that the vacation spots have the highest happiness. Who knew.
I didn't see a dropout rate from the Stanford class, but I'd be interested to know if it matches that of the correspondance courses. The article mentions MIT's class with a 5% completion rate. Doesn't sound that great to me. But for 'free education' it's not too bad.
Kind of makes you wonder... isn't this the same Novell wot's in partnership with Microsoft. So Microsoft still gets the $. Hmmm, interesting ploy on their part.