| People once used drums and smoke signals to send messages across sparsely inhabited valleys . later they wrote on rock walls then on papyrus.Pwople invented paper , wrote letters and sent them by foot boat or horseback As history moved along new forms of info sharing were invented some of thewe inventions changed history and our lives forever . | |
| One of the life changing inventions was the printing press. jogann gutenberg created a printing press with movable type containgh letters , numbers and in 1454, printed multiple copies of a letter the invention of the printing press allowed millons of copies of inexpensive paper copies to ve made quickly an easily . Gutenbergs press was the phpto copy machine of the 15th century today printing presses allow millions of copies of books and magazines to be mass produced everyday. | |
| Paper printing created huge mew industries . Newspapers have billions of subscribers around the world. Billions of books mags and ads and printed materials are constantly being reproduced .Millions of new jobs were created in this printed paperbased communications industry Billions of trees have given up their leafy lives to satisfy the instable appetite of this industry of printing pressing fax machines phptocpy machines and millions of printers | |