wave across the country and left its impression in office, store and
factory--through letters--letters _alone_.

This instance is not cited because it marks the employment of a new
medium, but because it shows how the letter has become a universal
implement of trade; how a commonplace tool has been developed into a
living business-builder.

The letter is today the greatest potential creator and transactor of
business in the world. But wide as its use is, it still lies idle,
an undeveloped possibility, in many a business house where it might
be playing a powerful part.

The letter is a universal implement of business--that is what gives
it such great possibilities. It is the servant of every business,
regardless of its size or of its character. It matters not what
department may command its use--wherever there is a business in
which men must communicate with each other, the letter is found to
be the first and most efficient medium.

Analyze for a moment the departments of your own business. See how
many points there are at which you could use _right_ letters to
good advantage. See if you have not been overlooking some
opportunities that the letter, at a small cost, will help develop.

Do you sell goods? The letter is the greatest salesman known to
modern business. It will carry the story you have to tell wherever
the mail goes. It will create business and bring back orders a
thousand miles to the very hand it left. If you are a retailer, the
letter will enable you to talk your goods, your store, your service,