Suchman challenged traditional cognitive values, arguing that human behavior is dependent on its environment, also known as a “situated action”. Human cognition functions by being adaptive to different situations, especially when unexpected changes arise. When a problem arises it is instinctual for people to attempt and overcome these barriers or work their way around it. This altered the way technology is designed because digital interactions are not fixed linear paths. Interactions are a flow of interconnected components of sensory details. Depending on a users needs or situation, navigating a particular product may be intuitive or unintuitive. An example would be the Xerox printers, they were designed to be easy to use, but many people struggled to use the device or was unsure how to operate the machine. By adding signifiers such as the bight green button, she simplified the way people perform tasks. This goes to show the importance of HCI in crafting universal design that everyone can use.