9 in 10 Messages NSA Spies On Not From Targets - Agency is casting much wider net, Snowden messages show

"Even if one could conceivably justify the initial, inadvertent interception of baby pictures and love letters of innocent bystanders, their continued storage in government databases is both troubling and dangerous. Who knows how that information will be used in the future?"
http://www.newser.com/story/190506/9-in-10-messages-nsa-spies-on-arent-from-targets.html