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Some time around 550 BC the first ever postal service was created.
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The Telegraph was the fastest way to tell someone something in 1792. although this was pretty expensive for the average person, so they were mainly used by the military.
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The Pneumatic post was a system of tubes that carried a capsule that you could fill with many things. Often the capsule was filled with a note.
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The telephone was a big discover in 1890, but the telephones that we have are nothing like the ones in 1890.
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the radio was an instrument that could transmit a sound, most of the time the stations where news.