But it also says
DMM 505.1.4.8, “Labels,” states that in cases when a BRM card or envelope is misused as a BRM label, USPS® treats the item as waste.
BRM cards and envelopes are designed to be mailed as a First-Class Mail card, letter, or flat only, and not as a BRM label to be attached to other items.
So I’m still a but fuzzy
It can be a few things.
It could be remote workspaces like GitHub codespaces.
But it could also be simpler: vscode is a web app, the native app you install is just an electron wrapper around the web app; so you can host it on a server an use it in the browser.