Communication in history

Cave Drawings

100

In 30,000 bc cave drawings were invented. The oldest cave drawings found are at least 40,000 years old. Cave drawings are drawings on the cave walls. Most of them were morals of battles, hunts, and culture.
http://www.bbc.com/news/science-environment-29415716T

First bound book

100

Now with books reading would be easier and written print would last longer. Mass printing of modern books began a almost 560 years ago. They were the first mass medium.
http://www2.uncp.edu/home/acurtis/Courses/ResourcesForCourses/BooksHistory.html

Alphabet

100

The Phoenician alphabet was the first alphabet created, estimated 1850 and 1700 B.C. It was a early writting system that used pictographic symbols known as hieroglyphics. It was produced by pressing a stylus into soft clay.
http://www.history.com/news/ask-history/who-created-the-first-alphabet

Romans establish postal services

114

The Romans having discovered postal services mailing and dilivering became possible in the yearf 114 a.d. It was maintained with horses and carriages stationed along the roads. They travelled 50 miles a day and much faster if it was an emergency. http://www.bathpostalmuseum.co.uk/500bc-roman-postal-system.html

Printing press

Jan 1, 1450

Created by Johanh Guteburgn in 1450. It tranfered ink to a sheet of paper to create an image. It was an easier way to make hundredths or thousands of pictures or new papers also faster.

Telephone

Mar 10, 1876

Alexander Graham Bell invented the telephone on March 10, 1876. Bells assistant, Thomas Watson, distinctly heard Bell say the first spoken sentence ever transmitted through electricity on March 10, 1876.
http://www.corp.att.com/history/inventing.html

Internet

Jan 1, 1973

A global computer network emerged providing a variety of info. The internet doesn't have a single inventor. It has just evoloved over time. The Internet got its start in the United States more than 50 years ago as a government weapon in the Cold War. Scientists and researchers used it to communicate and share data with one another. Today, we use the inertent for almost everything and for many people it would be impossible to life without it.
<a href='http://http://www.history.com/topics/invent

Skype

Jan 1, 2003

Founded in 2003. Skype is a software that allows you to call people on their computers or phones. You can skype anyone across the world, video and voice calls.