https://support.skype.com/en/faq/fa31/does-skype-use-encryption
ERResearch's bookmarks 08/18/2016
https://techcrunch.com/2015/07/29/firechats-off-grid-messenger-gets-private-messaging/
https://firechat.opengarden.com/tos
https://www.snapchat.com/privacy/
https://www.snapchat.com/static_files/lawenforcement.pdf
https://www.snapchat.com/transparency
https://www.snapchat.com/terms
https://www.facebook.com/policy.php
http://www.techworm.net/2016/06/hackers-hack-facebook-messenger-app-read-alter-messages.html
https://whispersystems.org/blog/facebook-messenger/
https://fbnewsroomus.files.wordpress.com/2016/07/secret_conversations_whitepaper-1.pdf
http://linecorp.com/en/pr/news/en/2015/1107
https://terms.line.me/line_rules/
https://techcrunch.com/2015/10/12/line-adds-end-to-end-encryption-to-its-mobile-messaging-app/
http://developers.linecorp.com/blog/?p=3679
http://digiday.com/publishers/the-economist-line-app/
https://techcrunch.com/2014/12/23/thailand-line-monitoring-claim/
http://terms.line.me/line_terms/?lang=en
https://www.inverse.com/article/19118-hackers-million-encrypted-messaging-app-telegram-users-risk
https://techcrunch.com/2016/07/29/research-shows-deleted-whatsapp-messages-arent-actually-deleted/
https://firechat.opengarden.com/pp
https://support.office.com/en-us/article/What-is-a-Skype-Meeting-Broadcast-c472c76b-21f1-4e4b-ab58-329a6c33757d
http://www.deccanchronicle.com/technology/in-other-news/290716/beware-whatsapp-silently-rolled-out-an-update-allows-recovery-of-deleted-chats.html
ERResearch's bookmarks 08/17/2016
http://edition.cnn.com/2016/02/23/europe/pavel-durov-telegram-encryption/
ERResearch's bookmarks 08/15/2016