Modeling changes to state over time is a challenge that most modern app developers have to face. The ember-concurrency addon went a long way toward simplifying many of the challenges inherent in safely modeling asynchronous operations, but there is more work to be done. This talk is about time, state management, ember-concurrency, immutability, and how a lot of tricky problems disappear when you rigorously commit to the goal of minimizing non-essential state in favor of derived state.
