Original article:
The advantages and disadvantages of SSO (single sign-on, also known as social login)
Supporting and/or additional references:
http://sproutsocial.com/insights/social-sites-single-sign-on/
http://en.wikipedia.org/wiki/Single_sign-on
http://www.quora.com/search?q=single+sign-on
http://www.quora.com/What-are-the-advantages-disadvantages-of-using-single-sign-on
http://www.futurehosting.com/blog/the-pros-and-cons-of-single-sign-on-for-web-services/
http://www.quora.com/What-are-the-advantages-disadvantages-of-using-single-sign-on
https://support.zendesk.com/entries/23169133-Enabling-social-media-single-sign-on
https://www.pingidentity.com/our-solutions/Single-Sign-On-Using-Social-Media-Logins.cfm
http://www.cloudentr.com/latest-resources/blog/should-you-friend-social-login-for-business
http://www.merkleconnect.com/blog/5-reasons-why-social-single-sign-on-can-be-a-marketing-dead-end
http://socialmediatoday.com/larry-weintraub/443908/importance-social-sign
http://en.wikipedia.org/wiki/OAuth
