How much disk space do you have left? Says you to a computer. Well just say "df." Or perhaps just say "df -h" if you are made out of carbon.
With the release of Firefox 65 earlier this year, every modern (as in "Non-Internet Explorer") browser now supports WEBP, so I'm thinking that it might be time to start incorporating this image format into production work. I remember following the development of the JPEG 2000 format with anticipation, followed by forgetfulness. But now it appears as if we do indeed have a new and shiny format to play with.