Excellent for splitting up my various browsing personae. If this could also work on the path within the domain, it would be even more useful.

While it lacks some features, the base is pretty good and I use it every day.

This addon completly change my work life.

Very usefull. But whenever I open Firefox, all of my saved pages/tabs can't automatically place into container.

Very useful, i use it a lot to login to multiple aws accounts

Very useful.

A killer feature. Converted regular Chrome users to Firefox because of this.