2600: The Hacker Quarterly is a magazine that is published four times a year. The magazine is about computers and the people who use them. It has articles on all sorts of topics, like how to hack into different computer systems, how to find new ways of using computers, and even how to protect your computer from hackers. The magazine also has interviews with famous hackers, and other cool information about computers and technology. It's a great way to stay up-to-date on technology and learn about all the exciting new things people are doing with computers.