We’ve come a long way since mankind first used smoke signals to communicate, and even farther since cavemen drew pictures on walls. Today, we’re living in a world where we can communicate with anyone, anywhere in the world. Telecommunications has changed dramatically throughout the years. Let’s look at how it grew from its humble origins to what it is now. Rock carvings Petroglyphs are more commonly found than pictographs, and these images were created by carving, engraving or scratching the rock’s surface. Often, these images were important forms of pre-symbol writing and were used in the earliest forms of communication and signage. The oldest art in this particular category is the Bhimbetka Petroglyphs Cupules, in the Auditorium cave situated at Bhimbetka in India, that date back to the Acheulean period, which began between 1.7 million and 1.5 million years ago. Cave paintings Some of the earliest forms of communication are…
