Few people understand computer security, and that's ok because it's complicated. It's not ok when said people are making laws related to it. This article explains why some of the things that government agencies want aren't actually feasible nor a good idea.
As if you need another reason to drop AT&T or Verizon. Not only do they rip you off, lock you in horrible contracts, sell you locked phones, etc. They also invade your privacy and track all the internet browsing you do through their network.
Law enforcement officials and even a Washington Post editorial are criticizing Apple's use of full encryption in iOS 8 and forward where not even they can break it. This is good for privacy and all these people are doing is spread FUD or displaying incredible levels of ignorance (or both).
"Our business model is very straightforward: We sell great products. We don’t build a profile based on your email content or web browsing habits to sell to advertisers. We don’t “monetize” the information you store on your iPhone or in iCloud. And we don’t read your email or your messages to get information to market to you."
Facebook sucks when it comes to privacy. They walk the fine line between exposing all they can and pissing off your customers more than they should. I recommend you look into this script to help you verify your settings are properly configured.