This was invented by Robert Hooke with an Acoustic string and two cans, and sometimes is still used today

The first telegraph, which was a small like message or letter, was sent in 1837

154 years ago, Alexander Graham Bell invented the first telephone

First coin-operated telephone put in mainly banks, Invented by William Gray

This was popular up until the 1930's, and was separated by 2 pieces

Steve Jobs introduced the worlds first touchscreen phone, and since then there have been newer versions of it evolving until now