THERE ARE LOTS of things they don’t teach you in school. How to mesh music with technology, the way Jimmy Iovine and Dr. Dre have managed to do. How to navigate a post-Snowden security landscape. Why Ebola can help us fight other diseases. When it comes to living in the here and now, your education is incomplete. Good news: We’re about to school you. We’ve assembled the ultimate cheat sheet for the worlds of security and government, business, science, design, and culture. You’ll learn about the core people and concepts, as well as the go-to Twitter, Instagram, and Tumblr feeds that you absolutely must follow. Welcome to your crash seminar in the present. Feel free to take notes. READ MORE: What You Need to Know to Be Culturally Literate in 2016 | WIRED