ThoughtWorks’ chief scientist, Martin Fowler; chief technology officer, Dr. Rebecca Parsons; “Meme Wrangler,” Neal Ford; and software developer, Jay Fields; all participate in the first podcast on domain-specific languages (DSLs). DSLs have been the topic of much conversation and excitement in the software development community, and the panel discusses just what DSLs are, how to build them effectively, when to use a DSL, and what pitfalls to avoid, as well as some real-world examples of DSL best practices.