-
People discovered fire, developed paper from plants and forged weapons and tools with weapon and tool. In terms of communication they used cave painting, clay tablets & dibao.
-
People used the power of steam, developed machine tools and established iron products. Regarding communication they also developed printing press, newspaper, typewriter, telephone and telegraph.
-
The invention of the transistor ushered in the electronic age. People harnessed the power of electricity and also invented the transistor radio, television, large electronic computers, apple 1 etc.
-
The internet paved the way for fast communication and the creation of the social networks. People advanced the use of microelectronics w/ the invention of personal computers and mobile devices, and wearable technologies.
