Hindsight is 20/20.
Start using it.

Avoid lengthy, frustrating post-mortems after a project fails. Instead, use premortems to identify problems before they happen.

What is a "premortem"?

A premortem is a technique for identifying potential problems before they happen. It works by imagining that your project has failed and then asking yourself why. The answers to these questions can help you avoid the same mistakes in the future.