/etc/hosts

Quick question: do you know what else could be added to the list below?

127.0.0.1 facebook.com
127.0.0.1 fbcdn.com
127.0.0.1 fbcdn.net
127.0.0.1 login.facebook.com
127.0.0.1 static.ak.connect.facebook.com
127.0.0.1 static.ak.fbcdn.com
127.0.0.1 static.ak.fbcdn.net
127.0.0.1 www.facebook.com
127.0.0.1 www.fbcdn.com
127.0.0.1 www.fbcdn.net
127.0.0.1 www.login.facebook.com
127.0.0.1 www.static.ak.connect.facebook.com
127.0.0.1 www.static.ak.fbcdn.com
127.0.0.1 www.static.ak.fbcdn.net

(To be sure, their main competitor also is primarily an ad network that may or may not be tracking my actions in the Internet, but the said competitor’s services are (1) actually useful; (2) way less annoying; and more importantly (3) it’s not practical to roll your own email (with always-on encrypted IMAP and SMTP gratis) and web-based calendar and office and social network and smartphone platform and self-driving car and what not. So no, not Google, not yet.)