For all the non-criminals out there who actually think they are entitled to privacy this is another good use case for Social Fortress[1][2].<p>[1] Disclaimer: I'm involved with Social Fortress<p>[2] Social Fortress protects messages and photos with transparent client side encryption directly within services such as Facebook, Google+, Outlook and others. It can be had for free from <a href="https://www.socialfortress.com" rel="nofollow">https://www.socialfortress.com</a>