I don't know what it does, but Webex works.

Slow. Consumes lots of CPU. It's faster to cut and paste the meeting URL into the app.

massive sound problems under ubuntu. Would be better it didn't work at all.

This Webex extension doesn't work when using Firefox on Ubuntu Linux.

Wants to "Access your data for all websites".
Hell no!! This is not even legal in the EU.

I thought it would make a difference in my experience with WebEx on browser, since as a Linux user, I cannot use the app. It is useless. screenshots are Irrelevant. There is no description.

good