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Pre-Industrial Age- Woodblocks
Printing has been around for many years and has formed an integral part of the way in which people communicate with each other, spread news and tell stories. Woodblock printing involves carving the image or text to be printed in relief on a piece of semi-soft wood. Ink is then spread on the block and paper or material is pressed firmly and evenly onto the block to transfer the image. -
Industrial Age- Telegraph
Before electric communication methods were developed, people used very archaic ways of communicating. To send a message over a long distance, they would sometimes use flame beacons or light flashes with a heliograph. he telegraph was a machine invented in the early 1800s. It made use of electricity, which was still somewhat of a novelty at the time, to transmit messages. A very early version, created by a German inventor called Samuel Sommering, was an electrochemical telegraph. -
Electronic Age- Personal Computers
Today’s personal computers are drastically different from the massive, hulking machines that emerged out of World War II–and the difference isn’t only in their size. By the 1970s, technology had evolved to the point that individuals–mostly hobbyists and electronics buffs–could purchase unassembled PCs or “microcomputers” and program them for fun, but these early PCs could not perform many of the useful tasks that today’s computers can. -
Information Age- Smartphones
It seems as though just about everyone owns a smartphone, even though it wasn't that long ago that the technology was first introduced to the general public. A solid textbook definition comes from the Oxford dictionary, which describes a smartphone as “a mobile phone that performs many of the functions of a computer, typically having a touchscreen interface, Internet access, and an operating system capable of running downloaded apps.” IBM invented the first smartphone and it came public on 1993
