May 17, 2013 5:22 am Dropping the Ball on Smartphone Security A new survey finds nearly 40% of smartphone aren’t password protected. Experts say that failure to do so puts users’ personal information at risk. US & World Videos 2:42 Tech companies now using AI to help boost housing market 1:34 Artificial intelligence used to avoid blackouts 1:25 Bay Area high school seniors honored with Dave Goldberg Scholarship 0:26 Kaiser Permanente data breach may have affected millions 3:29 Watch: Why the pay gap for women in tech hasn't budged
