An interesting new article at consumerreports.org asks the question: Who sees the data you share on the biggest social network?
“. . . Facebook and other social networks collect enormous amounts of highly sensitive information—and distribute it more quickly and widely than traditional consumer data-gathering firms ever could. That’s great when it helps you find old classmates or see ads for things you actually want to buy. But how much information is really being collected about you? How is it being used? And could it fall into the wrong hands?”