Explore how DISQUS leverages Python and Django for scalability in this EuroPython 2013 conference talk. Delve into the architecture of DISQUS, understanding its growth trajectory and the challenges faced. Learn about emerging services, pain points, and technology problems encountered. Discover solutions implemented, including fabricator, service decorators, and mixins. Gain insights on handling concurrency, isolation, and consistency issues. Examine the use of postcommit hooks and JSON in DISQUS's infrastructure. Engage with the speaker through audience participation and a Q&A session, and learn about open-source contributions from DISQUS.