As soon as he received his roommate assignment in the mail, Sam Brown did what any 17-year-old about to enter college would do: He looked him up on Facebook.
When Sam, who will be attending the University of Colorado at Boulder, couldn’t find him, he turned to Google Earth. By searching the address the college provided, Sam could see aerial photos of his future roommate’s house in Encino, Calif.–his lawn, his basketball hoop, the cars in his driveway, his pool.