{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"da449d3c-e538-4fac-876f-cdd7ee3fd3f8","title":"共享经济 重构未来商业新模式=Peers inc  how people and platforms are inventing the collaborative economy and reinventing capitalism","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787213067853","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"da449d3c-e538-4fac-876f-cdd7ee3fd3f8","id":"da449d3c-e538-4fac-876f-cdd7ee3fd3f8","uuid":"da449d3c-e538-4fac-876f-cdd7ee3fd3f8","title":"共享经济 重构未来商业新模式=Peers inc  how people and platforms are inventing the collaborative economy and reinventing capitalism","normalized_title":"共享经济重构未来商业新模式peersinchowpeopleandplatformsareinventingthecollaborativeeconomyandreinventingcapitalism","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787213067853","isbns":["9787213067853"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":296,"navigation_url":"https://workshop.closeclaw.top/ai/book/da449d3c-e538-4fac-876f-cdd7ee3fd3f8","title_url":"https://workshop.closeclaw.top/ai/title/%E5%85%B1%E4%BA%AB%E7%BB%8F%E6%B5%8E%20%E9%87%8D%E6%9E%84%E6%9C%AA%E6%9D%A5%E5%95%86%E4%B8%9A%E6%96%B0%E6%A8%A1%E5%BC%8F%3DPeers%20inc%20%20how%20people%20and%20platforms%20are%20inventing%20the%20collaborative%20economy%20and%20reinventing%20capitalism","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/da449d3c-e538-4fac-876f-cdd7ee3fd3f8/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/da449d3c-e538-4fac-876f-cdd7ee3fd3f8/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/da449d3c-e538-4fac-876f-cdd7ee3fd3f8","page_url":"https://workshop.closeclaw.top/api/ai/books/da449d3c-e538-4fac-876f-cdd7ee3fd3f8/page","search_url":"https://workshop.closeclaw.top/api/ai/books/da449d3c-e538-4fac-876f-cdd7ee3fd3f8/search"},"page":{"printed_page":30,"pdf_page":53,"physical_index":53,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"b18f5a5d897824f794bf18d3cb8124338bdcc0ebf44e1f7f5183f6baf33796e7"},"chapter":"湛庐","content":"大量的应用使得智能手机（第9个例子）在你无须打电话时仍然拥有很多其他功能。从全球范围来看，每个智能手机用户平均会下载25个应用。在200万个可供下载的应用中，有些应用能让你做事效率更高，有些应用则会让你效率更低；有些价值很高，有些价值则很低。全成本经济对于利用这些过剩产能不再适用了，而有些应用的价值甚至与一部设备相当。例如，在导航应用成为你的手机应用之前，导航软件厂商可以出售无线、便捷、专用导航设备，其软件的价格和智能手机一样。实际上，有很多人愿意支付600美元购买一个汽车导航仪。大部分的应用其实与运行它们的设备价值并不相符，有了智能手机，你就可以在不购买设备的前提下使用无数应用了。\n\n屏幕上出现由那些歪歪扭扭的字符组成的验证码(第10个例子)。这些字符正式的名称为reCAPTCHA，是利用过剩产能的最神奇例证之一。20世纪90年代末，卡内基梅隆大学副教授路易斯·冯·安(Luisvon Ahn)及其同事一直在考虑如何才能阻止潜伏在计算机内存中进行自我复制的恶意程序—它们假装成人类在大型计算机系统里引起各种各样的混乱。现在我们都很清楚他们想出的解决方法，就是这些出现在电脑屏幕上的让人讨厌的混乱字符。我们在做某事，如发送电子邮件、发表评论、登录某网站时，都要识别并输入这些字符以表明这是人类所为。2000年，路易斯·冯·安的团队为这些字符正式起名为“CAPTCHA”，即“全自动区分计算机和人类的图灵测试（CompletelyAutomated Public Turing Test toTell Computersand Humans Apart),俗称“验证码”，这种工具随即得到广泛采用。\n\n路易斯·冯·安指出：“到2005年，全球每天约有两亿个验证码被人们输入。”\n\nPEERS INC共享经济\n\n030","previous_page":null,"next_page":null}