[plausibility]

>It's crazy to me that there AFIAK aren't AirDrop clones. Little know, but there is! Snapdrop[1] does this via WebRTC. Pretty nifty, but I've rarely ever seen it mentioned or used. Solves the XKCD problem, at least for intranet stuff.

[1] https://snapdrop.net + https://github.com/RobinLinus/snapdrop