It is quiet easy to block a website if you run a mac and are not afraid to edit system files.
Simply adding
127.0.0.1 www.facebook.com
in /etc/hosts takes care of all facebook traffc. Not only will the site be not accessible navigating to other page that run embedded facebook will also no longer tell Mr Zuckerberg & Co where you are going on the Internet.
Just in case that this tip about fast keyboards should go away.
Enter
defaults write NSGlobalDomain KeyRepeat -int 0
in the terminal and logout and login to have a super fast keyboard. Using 1 instead of 0 will make it slightly slower. 2 corresponds to the fastest setting accessible via System Preferences.
First there is ‘vimtutor’ which covers the basics.
Drew Neil publishes insightful screen casts about vim.
Bram Moolar himself has a great commented page about books he recommends about vim. [A little bit as if Jesus would point out his favorite Bibles]
These vim keyboard maps might be handy. Not sure since I have not used those yet.