{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"8775e0ee-45b3-49e0-9051-2909d31de8ea","title":"数字工厂","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787523600474","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"8775e0ee-45b3-49e0-9051-2909d31de8ea","id":"8775e0ee-45b3-49e0-9051-2909d31de8ea","uuid":"8775e0ee-45b3-49e0-9051-2909d31de8ea","title":"数字工厂","normalized_title":"数字工厂","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787523600474","isbns":["9787523600474"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":281,"navigation_url":"https://workshop.closeclaw.top/ai/book/8775e0ee-45b3-49e0-9051-2909d31de8ea","title_url":"https://workshop.closeclaw.top/ai/title/%E6%95%B0%E5%AD%97%E5%B7%A5%E5%8E%82","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/8775e0ee-45b3-49e0-9051-2909d31de8ea/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/8775e0ee-45b3-49e0-9051-2909d31de8ea/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/8775e0ee-45b3-49e0-9051-2909d31de8ea","page_url":"https://workshop.closeclaw.top/api/ai/books/8775e0ee-45b3-49e0-9051-2909d31de8ea/page","search_url":"https://workshop.closeclaw.top/api/ai/books/8775e0ee-45b3-49e0-9051-2909d31de8ea/search"},"page":{"printed_page":177,"pdf_page":181,"physical_index":181,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"4d5021f58a2404a73e0b52420dadcda3c3465dbb28ae7ef979a5cf971f6cdddb"},"chapter":"第4章隐形的工厂：社交媒体","content":"平台广告的政治经济学\n\n从根本上来说，脸书和谷歌的业务并不复杂：两家公司的绝大多数收入都来自广告。这两家平台主宰着全球在线广告市场。据估计，全球广告支出超过3000亿美元，其中谷歌是最大的广告销售商，其销售额约占总销售额的三分之一。脸书屈居第二(约占总销售额的20%)，随后是阿里巴巴、亚马逊。①谷歌母公司Alphabet收入的八成以上都来源于广告，脸书的广告收入则占公司收入的 95% 以上。尽管 Alphabet 公司正在实现业务多元化，但广告仍然是其商业模式的核心，使之成为全球最具价值的公司之一。脸书作为市值最高的公司之一，这一情况更加明显：平台的巨大收入和利润几乎都基于社交媒体上的广告销售。\n\n1第4章隐形的工厂：社交媒体\n\n① Jasmine Enberg. \"Global Digital Ad Spending 2019.\" Emarketer. March 28.2019.https://www.emarketer.com/content/global-digital-adspending-2019.\n\n177","previous_page":176,"next_page":178}