Twilio is visiting Chicago with a series of events starting on May 15th, including a workshop at Code Academy and a demo at the Chicago Node.js Meetup. Devin Rader will be speaking at Chicago Code Camp on May 19th, covering topics such as mobile development, Test Driven Development, and REST APIs using ASP.NET Web API Stack. Meanwhile, Keith Casey will be facilitating the Hackathon and Unconference at php|tek from May 22nd-25th, involving project leaders from the open source community who build daily-used apps.