The Open Guide to Equity Compensation is a comprehensive resource that aims to help readers understand the complex details of equity compensation, including its forms, taxation, and negotiation. The guide covers equity compensation in C corporations in the United States, with a focus on private companies and startups. It provides practical suggestions, pitfalls to avoid, and context for making informed decisions. The guide is intended for employees, hiring managers, founders, and students, and is designed to be a shared resource for both sides of compensation decisions.