Rated 5 out of 5 stars

The pop up I was getting was actually from FasterFox, not DuckDuckGo. The pop-ups are still on other sites although the disfunctional hijacking of the link button in Yahoo mail stopped happening when I uninstalled DuckDuckGo, the culprit was FasterFox.

This review is for a previous version of the add-on (20120317).