PagerDuty's CTO gave a talk that mentions it: http://blog.pagerduty.com/2012/10/ensuring-the-call-goes-out-every-time/ http://blog.pagerduty.com/2012/10/ensurin

PagerDuty's CTO gave a talk that mentions it: http://blog.pagerduty.com/2012/10/ensuring-the-call-goes-out-every-time/ http://blog.pagerduty.com/2012/10/ensuring-the-call-goes-out...