2月5日，抖音、抖音精选发布《2025抖音精选公开课数据报告》（下称"报告"）。报告显示，抖音精选公开课自2025年8月上线以来，已与 100多所高校达成合作，收录超1800门高校公开课及考研、考公备考课，吸引了超1.45亿用户观看7.6亿次，其中完整看完一门课的用户数超 过175万。 《钱的流转》《书法》《普通物理》等课程成为完播人数最高的高校公开课。从地域分布上看，北京、上海、西安成为公开课深度用户（观 看时长大于200小时）最多的前三大城市；学科方面，前沿的AI计算机相关课程成为最受欢迎的公开课，数学相关课程则成为时长最长的公 开课；时间维度上看，无论是30多年前录制的大师经典公开课，还是考公、考研前名师坐镇的"上岸必修课"，均大受欢迎。值得一提的是， 抖音精选平台推出的"听抖音""问AI"等实用功能，降低了学习门槛，为用户解锁了知识获取的新方式。 AI相关课程最受欢迎，经典大师课获得持续关注 报告介绍，抖音精选公开课现已覆盖理学、工学、经济学、医学等14个学科门类，86个一级学科。前沿AI相关课程最受欢迎，播放量前10名 的高校公开课中，AI和计算机课程独占六席。北京大学计算机学院陈斌教授讲授的《Py ...

Core Insights - The Western containment policies have significant counterproductive effects, leading to increased R&D spending and domestic patent applications among Chinese companies listed on the U.S. Entity List, with R&D spending rising by an average of 18% and domestic patent applications increasing by 17.6% over two years [1][5][6] - The U.S. companies suffer substantial losses due to the loss of the Chinese market, while Chinese firms benefit from increased government subsidies and enhanced domestic market share [1][5] Knowledge Dissemination - Knowledge blockade has become impossible, with a significant increase in U.S. citations of Chinese patents from negligible levels in 2009 to a substantial amount by 2021, indicating China's emergence as an IP exporting country and the U.S. as the largest IP absorbing country [1][6] - The technology and knowledge network has become decentralized and interconnected, rendering previous strategies of technological blockade ineffective [1][6] Strategic Recommendations for China - China possesses unique advantages in manufacturing, being both a supplier of critical intermediate products and the largest manufacturing market globally, which should be leveraged [2][6] - The development of the service sector, particularly in legal, R&D, and financial services, is essential to support manufacturing and should be integrated into the manufacturing system [2][6] - Continuous openness is emphasized as a core prerequisite for knowledge and technology dissemination, which relies on the interaction of material, capital, and human flows, to maintain China's position as an irreplaceable global economic center [2][6]

Group 1 - The 47th Zagreb International Book Fair opened on November 11 in the capital of Croatia, featuring over 360 exhibitors from 15 countries [1] - The number of exhibitors at this year's fair has reached a new high, which is expected to boost the development of the Croatian publishing industry and promote reading and knowledge dissemination [1] - The fair will include a variety of activities such as book promotions, lectures, professional training in publishing, and interactive Q&A games [1] Group 2 - The Zagreb International Book Fair is the largest annual book fair in Croatia and will run until November 16 [2]

Core Viewpoint - Wei Dongyi, known as "Wei Shen," gained 20 million followers on Douyin within two days after opening his account, showcasing a significant shift in public engagement with academic figures [2][4][8]. Group 1: Reasons for Opening Douyin Account - The primary motivation for Wei Dongyi to open a Douyin account was to combat the rampant impersonation and infringement of his image, as many fake accounts had been profiting from his likeness [4][5]. - Another reason is to promote knowledge dissemination, with plans to share mathematical content and engage more with the public, aligning with educational policies that emphasize both popular science and innovation [7][8]. Group 2: Public Reaction and Social Context - The rapid increase in followers reflects a collective societal sentiment, including admiration for pure academic spirit and a projection of educational anxiety, particularly around the upcoming college entrance examinations [7][8]. - The algorithmic promotion by Douyin, combined with the emotional context of the high school examination period, contributed to the viral spread of his introductory video [8]. Group 3: Background of Wei Dongyi - Wei Dongyi, born in 1991, has a remarkable academic background, having been involved in mathematics from a young age and achieving significant milestones, including being a top student at Peking University [10][12]. - His research focuses on partial differential equations and geometric analysis, with notable contributions to the Navier-Stokes equations and random matrix theory [12][13]. Group 4: Health and Lifestyle Concerns - Concerns have been raised about Wei Dongyi's health, as he appears physically unwell in his videos, with reports of dental issues and a very frugal lifestyle [15][18]. - His family has indicated that his health problems are linked to his lifestyle choices, and there is a call from the public for him to engage more with the outside world to improve his social interactions [20][18]. Group 5: Future Implications of Douyin Account - The opening of the Douyin account presents both opportunities and challenges, including potential public scrutiny and the need to balance academic integrity with public engagement [20][21]. - The long-term success of his account will depend on finding a balance between professional depth and public accessibility, avoiding commercialization while fostering genuine knowledge sharing [23].

Core Viewpoint - Wei Dongyi, known as "Wei Shen," recently created a Douyin account, gaining over 20 million followers in a short time, driven by multiple factors including the need to combat impersonation and a desire to share knowledge [1][4][5]. Group 1 - Wei Dongyi's Douyin account aims to establish a genuine and controllable platform to counteract impersonation and misinformation, as many fake accounts have exploited his image [5][6]. - The account will focus on sharing mathematical content, allowing Wei to engage more with the public and respond to educational policies promoting science communication [8][9]. - The rapid growth in followers reflects a collective societal admiration for pure academic spirit and a response to educational anxiety, particularly around the upcoming college entrance examinations [9][10][11]. Group 2 - Wei Dongyi's academic background includes significant achievements in mathematics, such as being part of the national training team for the Mathematical Olympiad and making notable contributions to the fields of partial differential equations and random matrix theory [13][17]. - His lifestyle choices, including a minimalistic approach to living expenses and a focus on mathematics, have contributed to his unique public persona, which contrasts sharply with contemporary societal norms [21][23]. - Concerns have been raised about his health and social engagement, with calls for him to improve communication skills and avoid becoming overly isolated [25][27]. Group 3 - The launch of the Douyin account is seen as just the first step, with future content needing to balance professional depth and public accessibility to avoid commercialization and maintain academic integrity [31][32]. - The potential for the account to serve as a bridge between academia and the public hinges on its ability to promote the beauty of mathematics while resisting the pressures of entertainment culture [32][33].