My 12-year-old son said to me yesterday after getting home from school, “Hey, Mommy, did you know that Wal-Mart can tell when you’re pregnant? And so can Target!  Even before anyone else knows! They got a girl in trouble when they sent her dad coupons for baby stuff and congratulated her!”

Me, “That’s pretty incredible, isn’t it?  Companies are able to discover things like that about people more than ever before through analyzing what is called ‘Big Data’.”

Son, “That’s really creepy. I think you should (more…)