People actually use full screen mode on a browser? I thought we were past only being able to see one application at a time, with multiple monitors and higher-r

People actually use full screen mode on a browser? I thought we were past only being able to see one application at a time, with multiple monitors and higher-resolution screens, I don't understand why you would want to full screen most applications. The only application I ever full screen is iTerm2, and that's only so I can get enough screen room to open 10 split windows in vim.