July 24, 2012 5:48 am Mobile Ads; Facebook Sex Predators Martin Giles on aggressive mobile advertising and Joe Menn reveals how Facebook targets sex predators. US & World Videos 0:19 Person dies after car overturns on Hwy. 101 off-ramp in San Jose 2:05 State puts pressure on San Francisco Unified School District to fix budget crisis 2:03 East Bay murder suspects to get lesser sentences due to text scandal 0:18 Have you seen a laser in the night sky in San Francisco? Here's why 2:21 Family of man stabbed in San Jose pray for his recovery, demand answers