How do you unshare a user seat?
"In the Team tab you can share (give) a "user seat" to another existing user. The user will have the same type of plan as you do. You can unshare the user seat at any time, and give it to another user."
But, I can't find any place where you actually do that.
Click Account Team
Okay, this is very annoying. I use Chrome for everything except Appery.io, because so many features don't work. I use Firefox exclusively for Appery. On a whim, I tried accessing the Account page in IE and suddenly I see the trashcan icons for un-sharing an account.
Appery, for chrissake choose a browser and make it work.
Max: No. Try this in Firefox and your trashcan icons don't even appear. 
Hmm.. that's strange. This is what I see in Firefox:
