This document discusses how to become a subject matter expert (SME) through credentialing and productizing one's knowledge and skills. It provides examples of potential areas of expertise and recommends pursuing advanced degrees, certifications, publishing, public speaking, and using social media and technology like LinkedIn, Skype, and webinars to establish oneself as a recognized SME and develop new sources of income. The goal is to make one's career "layoff-proof" by differentiating oneself in the marketplace.