Honestly, even if this sorta works and you somehow magically get everyone into it, we had and still have spam in the form of physical mail. At 5 cents it sounds

Honestly, even if this sorta works and you somehow magically get everyone into it, we had and still have spam in the form of physical mail. At 5 cents it sounds like email spam will still be cheaper than that. ...I am now very tempted to scream 'fail'.