5점중 5점 받음

Doesn't work in firefox 29.

Reply to developer: Thanks updated it and its working fine. Thanks a lot. ;)

이 검토는 현재 부가 기능의 이전 (0.1.7.1-signed) 버전에 대한 것입니다. 

Works fine for me...
Please try update to Private Tab 0.1.7.1 or provide more detailed bug report here
https://github.com/Infocatcher/Private_Tab/issues
or here http://forums.mozillazine.org/viewtopic.php?f=48&t=2665169&start=1999