Six Yale students needed a guinea pig for a class project. The guinea pig had to be willing to hand over access to his cellphone and to his Facebook and email accounts so that the students could figure out which of the three held the most revealing and intimate details about a person�s life.

Amazingly, they found a volunteer. And now the details of his life have been posted online for your perusal.

The Yalies called it �The Gavin Project.� They wanted to find out �which source of personal information reveals the most personal information.� One nod to privacy: �Gavin� is not the Yale senior�s real name. So what did they find out about him