As the internet has evolved over its 35-year lifespan, control over its most important services has gradually shifted from open source protocols maintained by non-profit communities to proprietary services operated by large tech companies. As a result, billions of people got access to amazing, free technologies. But that shift also created serious problems. Chris Dixon is a general partner at Andreessen Horowitz, a venture capital firm that invests in crypto and other technologies. Prior to being an investor, he founded the tech companies SiteAdvisor and Hunch. Millions of users have had their private data misused or stolen.