New means of communication can cause revolutions. They lead to technological and social progress. It takes a lot of time for a means of communication to flourish. How did the printed book become a success in the sixteenth century? How did the internet become a hit?

Fast and worldwide internet is indispensable today. That was quite different thirty years ago. Back then, only pioneers surfed the internet. To become generally accepted, a technique needs to be properly developed. The arrival of broadband internet and Wi-Fi caused the social media to grow.

The same was true for the printed book. In 1450, Gutenberg invented movable-type printing. It took another fifty years until the printed book stopped looking like a medieval manuscript. The impact of the printed book as a new medium kept increasing.