Question

why people used to send secret messages​

Answer 1

tensile strength

against mechanical and osmotic stress

Answer 2

Answer:

why people used to send secret messages

Ans--Information seems to have lost its value

It is sent about carelessly, caution thrown to the the wind. People think they might be taking excellent precautions, but few things are safe. Phone lines can be tapped, emails hacked, and mail intercepted. At some point in time you will need to give someone a message and there can be no chance of someone else getting their hands on it. This instructables will go in-depth into how to code, cipher, and disguise any messages that can't be compromised.