May your code end up in core! Rated 5 out of 5 stars
You contributed to the culture of contemorary web browsing. Many thanks.
Tree Style Tab is a logical requirement after we all got wide screens. API, customizationability and documentation proof that you mean it.
Thanks also for rapid updating!
Why is it that your add-on is "sandboxed"? Tree Style Tab should IMHO be marked "recommended" by mozilla.