Changes in Communication.

Electro-Magnetic Telograph.

Feb 28, 1832

Samuel F. B. Morse conceived of an electromagnetic telegraph in 1832.

Electric Telegraph.

Feb 28, 1844

The Pony Express was established.

Apr 3, 1860

The Pony Express is much like a mailing system that delivers letters from people to other people.

Alexander Graham invented the first electric phone.

Feb 28, 1870

Alexander Graham designed a device that could transmit speech electrically.

Morse Code.

Feb 28, 1887

The Morse Code is a code of dots and dashes used to communicate.

American Telephone and Telegrapph. AT&T

Feb 28, 1911

Pager

Feb 28, 1949

First Cell Phone.

Apr 28, 1973

Martin Cooper.

iPhone

Oct 28, 2006

invented by Steve Jobs