Working with Stakeholders

Hey product, your salespeople know something you don't - Jo Johansson
A good set of recommendations for how both sales and product can work better with their counterparts, particularly applicable to SaaS businesses.

Companies overspend on marketing, underspend on product - Spenser Skates
Makes a strong case for investing in product for retention over marketing for acquisition.

How to stop pissing off your designer - Andrew Littlefield
Great piece that explains the craft of design and how to make the most of the design talent you have with specific recommendations that actually work in the real-world