Sou Hu Cai Jing·2025-10-23 00:14Core Viewpoint - Google's Privacy Sandbox initiative, aimed at phasing out third-party cookies, has ultimately failed due to low adoption rates and industry resistance, leading to the decision to discontinue technologies like Topics [1][3] Group 1: Background and Initial Intent - Google announced in the summer of 2021 its plan to eliminate third-party cookies in Chrome to address user demands for transparency and privacy [3] - The Privacy Sandbox project was intended to reshape advertising privacy standards, as cookies, a technology from the 1990s, were increasingly seen as misaligned with their original purpose [3][4] Group 2: Industry Reaction and Opposition - The announcement of the Privacy Sandbox faced significant backlash from various stakeholders, including competitors like Microsoft and community organizations such as GitHub and the Electronic Frontier Foundation (EFF) [7] - The opposition stemmed from concerns that eliminating third-party cookies would disrupt the internet advertising ecosystem, potentially harming businesses reliant on advertising revenue [7][8] Group 3: Implementation Challenges - The core idea of the Privacy Sandbox was to keep advertising data local to the browser, preventing direct access by advertisers while allowing Chrome to inform advertisers about user preferences [8][10] - However, during testing, advertisers reported issues with precision in targeting, and websites expressed concerns about reduced revenue [8][10] Group 4: Trust and Long-term Implications - There is skepticism regarding Google's intentions, given its dominant market share in browsers, which could lead to a lack of trust among advertisers and websites if they cannot access specific user data [10] - The closure of the Privacy Sandbox project reflects a broader trend where internet participants prioritize their immediate interests over collaborative efforts to create a healthier online ecosystem, indicating a decline in mutual trust [10]