21 st century pen pals music and films

I have an idea basically postcards with a microsd of films or music or both simply put

a 21st century penpal system with a few other features

so people in my pen pal club send each other sds and postcards

its that simple

a simple 21st century letter writing club with a twist music film photo shares on microsd s

16 gb data limits because of cost and time

what do you think ? my address is in the listen inn dossier