As Luís Leão, a developer evangelist at Twilio, he shares his journey of creating innovative services that connect people with technology, starting from his early days as a web developer in Brazil. He recalls the launch of `sms2blog`, a service that allowed users to post tweets using SMS, and how it received over 1 million messages before shutting down due to regulatory issues. Leão's passion for APIs and DIY projects led him to work with brands and startups, creating experiences for their customers and innovating with technologies like robotics and machine learning. He highlights the importance of collaboration and community in overcoming obstacles and achieving success. Now, as a developer evangelist at Twilio, he aims to empower developers to build services that change lives and impact society positively, removing language barriers and fostering creativity.