Core Insights - The article discusses the transformation of Silicon Valley from a hub of consumer internet innovation to a center focused on "hard technology" and artificial intelligence, marking a significant cultural and ideological shift in the tech industry [36][39]. Group 1: Evolution of Silicon Valley - Silicon Valley has transitioned from a vibrant, idealistic environment characterized by social media and consumer applications to a more serious and competitive landscape dominated by AI and advanced technologies [14][36]. - The current tech culture emphasizes technical expertise, with a shift in hiring criteria from storytelling and user-centric thinking to skills in distributed training and efficient data annotation [23][39]. - The atmosphere in Silicon Valley has become more austere, with a focus on long working hours and a less celebratory culture compared to the past [15][18]. Group 2: Changes in Entrepreneurial Dynamics - Entrepreneurs are now more reserved and less willing to share their stories, contrasting with the earlier era when they were eager to engage with the media [12][19]. - The media landscape has shifted from being independent recorders of events to being influenced by corporate public relations, complicating the flow of information [10][11]. - The competitive environment has intensified, with startups vying for dominance in AI, leading to a more aggressive and less collaborative atmosphere [19][28]. Group 3: Cultural and Ideological Shifts - The tech community is witnessing a rise in "libertarian conservative" voices, advocating against government regulation and shifting investment focus towards defense, energy, and aerospace [22]. - The narrative of Silicon Valley has evolved from creating a better lifestyle to constructing "superhuman intelligence," reflecting a deeper philosophical change in the tech industry's goals [28][39]. - The article suggests that Silicon Valley is moving from being a center of universal culture to a "technological nation-state," indicating a narrowing of its focus and a more intense competitive order [37][39].