We want customer sentiment to drive product development. Hypothesis proven by experiments are the best to discover customer sentiment. That's how Stuart Frisby, principal designer at booking.com, argued for extensive use of A/B testing to the OSCON attendees in Amsterdam. Frisby explained what A/B testing done right looks like, what common mistakes to avoid and when A/B testing is not appropiate.
Lindsay Holmwood, Flapjack's creator, offers advice to enable fast, with quality, feedback loops and to support small, discrete changes. Holmwood asserts that to get quality feedback there are five main issues to think about: the CAP theorem; SLA definition; SLA validation; interfaces between services; data and infrastructure immutability.
Keeping up-to-date with software architecture can be a tough endeavor. Information is normally available within thick books or somewhere hidden in the Web. Another more entertaining way can be to watch clips available at video sites such as YouTube and Vimeo.