A great write up about building scalable tests and in particular, an approach to decoupling our tests and our dependencies on external services. A definite read for anyone who is testing dependencies on other services (either internal or external.
This is a great (and long) post discussing the way we use estimates in development and planning. In particular, how we continue to psychologically link abstract units to some sort of time (which is bad).
On-Call seems to be the theme of the weekly but its certainly been a topic for discussion recently on Twitter. I broadly agree with John's approach to establishing on-call programs especially having been on-call in a former life.