-I am surprised not more vendors of laptops have done like Lenovo does (at least on the X1 series) - there's a plastic slider which goes over the lens, showing

-I am surprised not more vendors of laptops have done like Lenovo does (at least on the X1 series) - there's a plastic slider which goes over the lens, showing a bright orange dot when it has disabled the camera. Seems so cheap, simple and useful that there probably is a patent keeping others from doing it. Sigh.