A CSS-only solution for eradicating your Twitter Timeline and your Facebook News Feed in Safari.
Facebook groups, chat, and names of birthday celebrants are not eradicated, but whited out to protect possibly sensitive information.
- Download
eradicate.css - Open Safari and go to Preferences by clicking ⌘ + ,.
- Select
eradicate.cssas Style Sheet. - Reload Facebook/Twitter.
Thanks to https://github.com/maxfriedrich/quiet-facebook for their original implementation for Facebook.

