Hey y'all! I took a little time to review most of the OpenStack projects and check on their notification support. Happy to say, adoption is good. There are things we could do better, but overall very positive. The article also talks a little about what makes for good notification support. Something for you all to think about at the Icehouse summit :) I'm sure I've made some mistakes along the way, so please let me know and I'll fix accordingly. http://www.sandywalsh.com/2013/09/notification-usage-in-openstack-report.html Look forward to your feedback! -Sandy