This costs very American citizen $0.79 per day. A single first class letter (domestic) is ~$0.45, so every person in the U.S. should just send 2 letters per day that they would otherwise send as emails
Maybe 3 just for those who don't use email
"Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds."
Perhaps a missing paycheque?