Rated 3 out of 5 stars

A low-level concept. A good internet security software (good, not cheap) and 'Ad Muncher' will be even more secure without the hassle, and system wide (not only Firefox). A lot of work by the author for a wrong approach.

This review is for a previous version of the add-on (1.8.1).  This user has other reviews of this add-on.