Core Insights - The article highlights the evolution of communication technology in China, showcasing significant milestones from telegraphy to modern mobile communication and the internet [2][12][18]. Group 1: Historical Milestones - In 1979, telegraph operators in Chengdu were training new recruits, emphasizing the importance of careful communication [2]. - The introduction of the "brick-sized" mobile phone in 1986 marked a significant change in communication for vendors in Henan [5]. - The 1994 launch of a 64K international line allowed China to fully access the internet, which was a transformative moment for the country [12]. Group 2: Technological Advancements - The 1990s saw the rise of pagers, with the phrase "call me" becoming popular, indicating a shift in communication habits [8]. - By 2002, the popularity of the "Little Smart" phone made mobile communication accessible to a broader audience [10]. - The development of mobile communication technology has led to the widespread use of chat applications and mobile payments, fundamentally changing daily life [18][25]. Group 3: Modern Communication - The article notes that by 2016, students were using 4G networks for online classes, showcasing the integration of technology in education [20]. - The experience of AI digital avatars in 5G communication reflects the ongoing innovation in the telecommunications sector [23]. - The transition from traditional letter writing to instant messaging illustrates the rapid evolution of communication methods [25][26].