With 100 days left before the Winter Olympic Games begin in Sochi, Russia, the U.S. Olympic Committee begins its countdown in Times Square today. they're bringing ice and snow into the middle of Manhattan where temperatures will be in the mid-50s so the athletes can show off their skills. But in these final months, there's still a lot of scrambling to figure out which athletes get to compete in the Games.
You probably know, or should know, that your cellphone is tracking your location everywhere you go. But whether law enforcement officials should have access to that data is at the center of a constitutional debate.
Matt Blaze, a professor of computer and information science at the University of Pennsylvania, says location tracking is key to how the cell system operates.
It is still as dark as night as Jim Rix steps out of his red brick Chicago bungalow and gets into his car, parked on the street. It's 6 a.m., and the 53-year-old engineer is getting an early start on his 35-mile commute out to Argonne National Laboratory in Chicago's southwest suburbs.
"Depending upon weather and time of day, it can take 45 minutes to two hours to get to and from work," Rix says.