In the games industry, Valve is widely known as an innovator - and one of the most beloved organizations to boot. One of their biggest focus of late is bio-feedback: control of digital devices through one's own body. To that end, they're toying with some pretty absurd concepts...including using sweat. In the games industry, Valve is widely known as an innovator - and one of the most beloved organizations to boot. One of their biggest focus of late is bio-feedback: control of digital devices through one's own body. To that end, they're toying with some pretty absurd concepts...including using sweat. 
