When I was in grad school I used to give talks to students about avoiding MLM schemes. Later, after having invented and patented a product, I came to the sober

When I was in grad school I used to give talks to students about avoiding MLM schemes. Later, after having invented and patented a product, I came to the sobering realization that the majority of my revenue was coming from MLM companies. I released the IP to the public domain and shut down the company.