掌握信息时代成长主动权（序与跋）

Core Insights - The essence of information is a measure of uncertainty, which allows individuals to understand the unknown world [2] - The development of information technology has been exponential over the past century, significantly impacting global economic growth [3] - Information technology is now deeply integrated into daily life and is seen as a driving force for future economic development, particularly through artificial intelligence [4] Group 1: Historical Development of Information Technology - The modern information industry began with the telegraph in 1844, followed by the transatlantic cable in 1866, which connected continents [3] - The first electronic computer was invented in 1946, with a processing speed of 5,000 calculations per second, which is vastly inferior to today's technology [3] - The advancement in information technology has led to significant improvements in speed and efficiency, with modern devices being millions of times faster and more energy-efficient than their predecessors [3] Group 2: Future of Information Technology - The future development of information technology will be shaped by the younger generation, who will explore its potential and address its limitations [4] - The book aims to educate young people about the history and principles of information technology, encouraging innovation in the field [4] - The stories of historical figures who contributed to information technology serve as inspiration for today's youth [4]