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 (1.1.22.1-signed). 

You can easily disable this feature in the extension preferences. Click disable "Similar Product service".