Ask an Expert Your Questions About How Data's Changing Your Life, Here at 11:30 AM ET

Ever wonder why ads for a particular pair of socks keep following you around the web? Why Pandora keeps playing that song you hate, even though you give it a thumbs-down every single time? Or why that one person you barely know keeps showing up in your News Feed when your old friends rarely seem to appear? Ask away. »10/12/15 11:30am10/12/15 11:30am