David Clinton is the author of the Leanpub book Solving for Technology: How to quickly learn valuable new skills in a madly changing technology world. In this interview, Leanpub co-founder Len Epp talks with David about his background, the challenges of teaching high school, whether or not teenagers looking for careers in software should go to university, big career changes, using technology to do modern education at scale, his books and his experience working with different publishers, and at the end, they talk a little bit about his experience as a self-published author.