Using social media to scour the ‘haystack’: More than 3 million join search for Flight 370 from home

Summary: The overflow of information generated during a crisis like the Malaysian airliner gone missing can be just as paralyzing as the absence of information for those officials charged with searching. A crowdsourced search for Flight 370 harnesses the energy and time of the more than 3 million people who have volunteered to scour satellite imagery. Science correspondent Miles O’Brien reports.