Software estimation the jacobian way
Jacob Kaplan-Moss wrote about his approach to software project estimation which is an important Project Management tool. His writeup is straightforward and clear, and the approach itself is the same: for each task, estimate size and uncertainty (as a multiplier). Then to estimate, you can add them up with and without the uncertainty multiplier to get best and worst case estimates.
Frank Maglio Tico & The Man
Frank Maglio Tico & The Man is a fantastic YouTube channel with a guy playing guitar and his bird freestyle singing over it.