The Register regularly collects reports of computer-controlled public signage malfunctioning in an amusing way. In this latest instalment <https://www.theregister.co.uk/2020/05/27/bork/>, there is an interesting mention: The company went on to tell us that the units run Windows 10, but "we're about to upgrade all of our production machines to a custom Linux build to improve their stability and generally operate with more efficiency." One of the reader comments mentions a company called “Screenly”, which offers a product in both open-source and proprietary-paid forms.