Greg Avola loves beer and coding. He loves beer so much that he made an app, Untappd, where users track their favorite brews. He loves coding so much that he wrote a book about mobile web development. According to him, if it weren't for open source software, his app—and the projects of many other developers—simply wouldn't exist.
Read more in my interview with Greg about his open source journey, his favorite beer, and why check-in apps are still relevant.