Courier's internal hackathons promote innovation, employee engagement, and teamwork by giving employees time to explore ideas and solve customer problems. These events are supported by the company and allow teams to create prototypes that can be turned into regular product features. The hackathons reflect Courier's core values of "have an opinion," "just f-cking do it," and "talk to customers." They highlight the importance of collaboration, experimentation, and customer feedback in driving business growth and improving products. Through these events, employees are encouraged to challenge each other, share their ideas, and push themselves to win, promoting a culture of innovation and teamwork.