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The Morse code simplified sending messages. It was also very fast. With practice, the Morse code can be read at 30 words a minute or more. It became the most widely used code, because it was the easiest to understand and the fastest to transmit. The telegraph meant that at last people could send messages a long way at great speed. Soon people wanted to send messages even farther.
The Morse code couldn’t send messages.
The Popov’s code became the most widely used code because it was the simplest.
The Morse code was the easiest to understand.
The Morse code can be read at 30 words a minute and more.