Thank you for letting me know, Andrew, and I'm so sorry to disappoint. We've had to weigh this work against other priorities, so still no ETA on getting MozBar into Firefox. I appreciate your feedback and will bring it up again with product and engineering. Thanks again!

How to Defeat Duplicate Content - Next Level
2/12/2015 Learn how to use Moz tools to identify and resolve duplicate content issues in this third installment of Next Level series.