In Poland, just like in many other countries, there are regions where dialects are used rather than “the pure” form of the language, and so in my city, we have our own dialect. What does it have to do with Rails and Ruby though? Good question.
Postmortems, COEs, incident reports. Whatever your organization calls them, when done right they are a popular and effective way of formalizing the process of digging into system failures, and driving change.
A good full-stack framework should help you solve ALL the problems you need to build something like turntable.fm quickly, and then iteratively make it more powerful. Live updates are no longer optional, and a solo full stack developer should be able to deliver on these features with the same productivity of a CRUD Rails app in 2010.
Should you have multiple work streams on your team? If so, how many? How do you balance long and short-term priorities? How should you handle unplanned work? What about on-call? How big should your team be?