https://magic-wormhole.readthedocs.io/en/latest/welcome.html#example it's easy to setup relay for this thing, just saying

YOU WANT YOUR COUSIN To SEND YOU А FILE? EASY.
НЕ CAN EMAIL IT ITS 25 HMM...
EITHER OF YOU HAVE AN РТР SERVER? RIGHT.
IF YOU HAD WEB HOSTING, YOU COULD UPLOAD
HMM. WE COULD TRY ONE OF THOSE SITES,
BUT THEYRE FLAKY AND FULL OF DELAYS AND PORN
HOW ABOUT AIM DIRECT CONNECT? ANYONE STILL USE THAT?
WAIT, DROPBox! ITS THIS RECENT STARTUP From A FEW
YEARS BACK THAT SYNCS FOLDERS BETWEEN COMPUTERS.
YOU JUST NEED ТО MAKE AN ACCOUNT, INSTALL THE—
HE DROVE
OVER To YOUR HOUSE.
WITH A USB ORIVE?
COOL, THAT
Teo.
LIKE HOW HAD THE INTERNET FOR DECADES,
YET FILES" IS SOMETHING EARLY
ADOPTERS ARE STILL FIGURING OUT НОМ ТО 00.