TheCodeBreakers
service that began in the borrowed office in which Byron Price went to
work as Chief Censor and grew to an organization whose 14,462
examiners occupied 90 buildings throughout the country, opened a
million pieces of overseas mail a day, listened to innumerable telephone
conversations, and scanned movies, magazines, and radio scripts.
Millions became familiar with the "Opened by Censor" sticker and the
scissored letter.
To plug up as many steganographic channels of communication as
possible, the Office of Censorship banned in advance the sending of
whole classes of objects or kinds of messages. International chess games
by mail were stopped. Crossword puzzles were extracted from letters, for
the examiners did not have time to solve them to see if they concealed a
secret message, and so were newspaper clippings, which might have
spelled out messages by dotting successive letters with secret ink—a
annaabi.ee 
