Shortcut Documentation:

https://dev.twitter.com/

https://dev.twitter.com/apps/new --> buat aplikasi

https://dev.twitter.com/docs/anywhere/welcome --> how to using twitter @anywhere service

https://dev.twitter.com/docs/auth/implementing-sign-twitter --> graph

https://dev.twitter.com/docs/sign-twitter-resources --> the button

https://dev.twitter.com/docs/twitter-libraries --> list twitter libraries in programming language

https://github.com/abraham/twitteroauth --> PHP oauth

Tutorial:

http://net.tutsplus.com/tutorials/javascript-ajax/using-twitters-anywhere-service-in-6-steps/

http://www.9lessons.info/2011/09/update-login-with-facebook-and-twitter.html

http://developers.facebook.com/docs/plugins/registration/

https://developers.facebook.com/docs/user_registration/flows/

https://developers.facebook.com/docs/reference/javascript/FB.getLoginStatus/

https://developers.facebook.com/docs/reference/dialogs/oauth/

https://developers.facebook.com/docs/authentication/

When you’re storing every transaction for 800 million users and handling more than 60 million queries per second, your database environment had better be something special. Many readers might see these numbers and think NoSQL, but Facebook held a Tech Talk on Monday night explaining how it built a MySQL environment capable of handling everything the company needs in terms of scale, performance and availability.

http://gigaom.com/cloud/facebook-shares-some-secrets-on-making-mysql-scale/