···5454 - Handle the 80% and let the 20% fend for themselves.
5555 - [[Pareto Principle |80% of the impact comes from 20% of the work]].
5656 - [Software is never finished, only abandoned](https://stackoverflow.blog/2020/02/20/requirements-volatility-is-the-core-problem-of-software-engineering/).
5757-- **Treat all the data as an append only event log**.
5757+- **Treat all the data as an [append only event log](https://www.youtube.com/watch?v=ZQ-MdKj3BjU)**.
5858 - Use a central log where consumers can subscribe to the relevant events.
5959 - Having a central place ([the log](https://engineering.linkedin.com/distributed-systems/log-what-every-software-engineer-should-know-about-real-time-datas-unifying)) for continuous events make easy to create a stream of data to process and sets a source of truth.
6060- **There is no silver bullet**.