Firefox's native ad blocker
Select the “i” or shields icon to the left of the URL in the URL bar. In the tooltip that opens, click on “Turn off Blocking for This Site” to disable blocking. For more information, please visit Firefox’s instructions.
Click “Enabled on this site” or “Disable on washingtonpost.com.” Refresh the page.
Version 6.0: click “trust site.” Refresh the page. Older versions: click “whitelist site.” You will see the message “site is whitelisted.” Click “reload the page to see your changes.”
Click the big blue “Power” icon. Refresh the page.