The SIGNAL 2017 conference has featured a major theme of "code is creative", which was demonstrated through interactive ways on the giant LED wall in the Hack Lounge powered by Particle and DeepLocal. Attendees were equipped with resources to hack their Twilio hackpack v3 firmware, including custom animations and tools to help them customize it. Pre-built animations, such as a scrolling rainbow or Golden State Warriors logo, were also provided, along with a tool to generate code for text display on the Hackpack. The conference encouraged attendees to make their own personal mark on the hackpack wall, sharing their work and code with the Twilio community.