Previous discussion on HN:<p><a href="http://news.ycombinator.com/item?id=3692771" rel="nofollow">http://news.ycombinator.com/item?id=3692771</a><p>Actual discussion on Google Groups:<p><a href="http://groups.google.com/group/mozilla.dev.platform/browse_thread/thread/fb14de8b9ad84e15#" rel="nofollow">http://groups.google.com/group/mozilla.dev.platform/browse_t...</a>