The 2015 Stream Marathon in Greece was an (un)conference focusing on the intersection of technology, science, and their impact on society, where innovative ideas were shared, such as the integration of 3D-printed latte art as a new messaging platform. The event discussed various technological advancements and their potential benefits and challenges, including the use of drones, virtual reality, and understanding consumer behavior through their purchasing decisions. It also highlighted solutions for global issues, particularly in aiding refugees through technology-driven initiatives.