Invisible ink messages could be used to evade detection.
yes google it.
vicenness
she wrote letters to her husband and supported him
The regulation of banning invisible ink to letters abroad was banned so that enemies could not communicate. This was enabled as it stopped people writing secret messages to one another about the tactics the United Kingdom had during the war.
S,and I
Shift Key
The random capital letters spell out the secret messages
oppisite letters at the glasses shop
Gabriel Kaplan has written: 'Kotter's back' -- subject(s): Humor, Letters, Electronic mail messages, American wit and humor
No, it is virtually never appropriate.
The cast of Letters of Revolution - 2011 includes: Curtiss Stewart as Shroyer Bishop
Cell phone. A type writer is for writing letters, not sending messages.