Malware inside!! Rated 1 out of 5 stars
Loved this very useful app for a long time. The latest version however now installs superfish adware/malware, so I've had to uninstall it. Shame, shame, shame...This review is for a previous version of the add-on (188.8.131.52-signed).
You can easily disable this feature in the extension preferences. Click disable "Similar Product service".