Expanding from this initial use of the U.S. Postal Service for course correspondence, distance education moved towards live radio shows in 1921 and then televised broadcasts in 1963.

FORBES: Distance Learning Has Been Around Since 1892, You Big MOOC

Cliff Clavin, the postal employee, is of course another matter.

FORBES: Cliff Is Not a Thief

Of course we all take the postal service for granted.

FORBES: Is it Time to Wave Farewell to the Mailman?