Kirk Evans is a Microsoft Architect for the Azure Center of Excellence.
Introduction to SharePoint and Azure IaaS
Building SharePoint Apps with Windows Azure Platform as a Service
SharePoint Solutions and Architectures on Windows Azure Infrastructure Services
Understanding Authentication and Permissions with Apps for SharePoint and Office
I was doing a bit of research for an upcoming presentation series, and I came across a great post on WS-Eventing for Dummies as well as a follow-up, WS-Eventing for Dummies, Part II: The Subscription Response. Surfing the chain, I finally wound up on a gold mine... Dave Bettin's Service Specification Hub, where Dave has been collecting links.