I think you might be surprised by the type and value of information posted to these services. http://www.theguardian.com/world/2014/oct/16/-sp-revealed-whisper

I think you might be surprised by the type and value of information posted to these services. http://www.theguardian.com/world/2014/oct/16/-sp-revealed-whisper-app-tracking-users http://www.theguardian.com/world/2014/oct/16/-sp-revealed-wh...