Uses for #sneakernet 9/ #git works over sneakernet. My gitsync-nncp software (doesn't require NNCP) will asynchronously sync git trees https://salsa.debian.org/jgoerzen/gitsync-nncp . I use it to sync my org-mode and org-roam notes. Sometimes I use a machine only rarely (say, once a month). If it has Internet when I power it up, it'll download hundreds of missing updates in a second or two. Or if not, I can just copy the files queued to it over USB (and likewise with updates on it) and I'm good.