Reactrix is an American company that provides technology for interactive gesture-driven interfaces used in a variety of fields including out-of-home advertising, retail, and entertainment. Its large-format interactive displays are located in more than 175 malls, theaters and other public spaces across the U.S., mostly in the top 20 TV markets. The company's proprietary and patented technology project branded messages onto 6-foot by 8-foot surfaces. Images instantly respond to movement or gestures, allowing people to interact with them.