Twilio participated in numerous events across the US, UK, Ireland, and other locations in October 2011, including hackathons, conferences, meetups, and code camps. The company's CTO Evan Cooke spoke at several events, sharing insights into Twilio's infrastructure and scaling strategies. Twilio also sponsored various conferences, such as the Business of APIs and Silicon Milkroundabout, which brought together developers and entrepreneurs to showcase their work and connect with potential partners. Some notable events included Hacktoberfest in San Francisco, Dublin Web Summit in Ireland, and the Philadelphia .NET Code Camp. These events showcased Twilio's commitment to supporting developers and fostering innovation in the communications and digital engagement space.