-
The prehistoric age is the period of human history before the invention of writing systems, and is estimated to have lasted for around 10 million years. It is generally divided into three archaeological periods: the Stone Age, Bronze Age, and Iron Age. -
The digital age, also known as the information age, commenced in the mid-20th century, marking a rapid transition from traditional industries to an information technology-centered economy. During this period, information is predominantly in digital form, and computer-based activities have become pervasive. -
The electronic Age is the invention of the transistor and development of electronic circuits. This led to new technologies like the transistor radio, televisions, and early computers that facilitated more efficient long-distance communication. -
The Industrial Age is defined by mass production, broadcasting, the rise of the nation state, power, modern medicine and running water. The quality of human life has increased dramatically during the Industrial Age.