【文章标题】：寓言5.1，企业前沿守护者
【文章正文】： Fable 5.1 is out, and the hated Fable data retention policy is not just being altered, but entirely removed in the meantime. Plus, why increased caching is a win-win. 寓言5.1版本发布，备受诟病的数据保留政策不仅被修改，更被彻底移除。此外，增强缓存机制为何能实现双赢。
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With Stratechery Plus you get access to the subscriber-only Stratechery Update and Stratechery Interviews, and the Sharp Tech, Sharp China, Dithering, Greatest of All Talk, and Asianometry podcasts. Stratechery Plus会员可专享：Stratechery每日更新、Stratechery专访，以及Sharp Tech、Sharp China、Dithering、Greatest of All Talk和Asianometry播客。
Stratechery Update Stratechery每日更新 Substantial analysis of the news of the day delivered via three weekly emails or podcasts. 每周通过三封邮件或播客推送当日要闻深度分析
Stratechery Interviews Stratechery专访 Interviews with leading public CEOs, private company founders, and discussions with fellow analysts. 对话上市公司CEO、初创企业创始人，与行业分析师深度探讨
Dithering Dithering播客 A twice-weekly podcast from John Gruber and myself: 15 minutes an episode, not a minute less, not a minute more. John Gruber与我联袂主持的每周双更播客，每期严格控制在15分钟
Sharp Tech Sharp Tech播客 Andrew Sharp and myself discuss how technology works and the ways it impacts our lives. Andrew Sharp与我探讨技术原理及其对生活的影响
Sharp China Sharp China播客 A weekly podcast from Andrew Sharp and Sinocism’s Bill Bishop about understanding China and how China impacts the world. Andrew Sharp与”中国通”Bill Bishop的每周播客，解读中国及其全球影响
Greatest Of All Talk Greatest Of All Talk播客 A twice-weekly podcast from Andrew Sharp and Ben Golliver about the NBA, life, and national parks. Andrew Sharp与Ben Golliver的每周双更节目，畅谈NBA、生活与国家公园
Asianometry Asianometry播客 Audio and transcripts of the Asianometry YouTube channel, the best source for learning about how tech works. 亚洲科技研究YouTube频道的音频及文字稿，了解技术运作的最佳资源
Sharp Text Sharp Text专栏 Sharp Text is an extension of GOAT, Sharp Tech and Sharp China, where Andrew writes about basketball, technology, and US-China relations with weekly posts. GOAT、Sharp Tech和Sharp China的延伸专栏，Andrew每周撰写篮球、科技与中美关系文章
Stratechery Updates are also available via SMS, RSS, or on this site. Please see the Stratechery Update Schedule for more details about delivery times and planned days-off. Please note that all subscriptions auto-renew monthly/annually (but can be cancelled at any time). If you are interested in ordering and managing multiple subscriptions for your team or company, please fill in the form here. 更新内容也通过短信、RSS或官网推送，详见《更新日程表》了解具体时间及休刊安排。所有订阅自动按月/年续费（可随时取消）。团队批量订阅请填写此表格。
Frequently-Asked Questions 常见问题
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Can I read Stratechery via RSS? 能否通过RSS阅读？ Yes! Create a Stratechery Passport account, go to Delivery Preferences, and add your personalized RSS feed. Free accounts will have access to Weekly Articles, while subscribers will have access to the Daily Update as well. 可以！注册Passport账户后，在”推送偏好设置”添加个性化RSS源。免费用户可读周更文章，订阅用户还可获取每日更新
Can I share a Stratechery Update subscription with a friend? 能否共享订阅账户？ No, the Stratechery Update and Stratechery Podcast are intended for one subscriber only. Sharing emails, using shared inboxes, or sharing RSS feeds is a violation of Stratechery’s Terms of Service, and your account may be suspended or your RSS feed reset. Of course occasional forwarding of the Stratechery Update to interested friends or colleagues is totally fine. 禁止共享。订阅内容仅限个人使用，共享邮箱/RSS源将违反服务条款导致账户停用。偶尔转发给感兴趣的朋友则无妨
Can I buy a subscription for my team? 能否团队订阅？ Yes! You can purchase a team subscription here. 可以！点击此处购买团队订阅
Can I switch to an annual plan? 能否转年费计划？ Yes! Just go to your account page, choose the ‘Subscriptions’ tab, and click the Annual upgrade button. You will be charged immediately, with a prorated discount applied for the remainder of your current monthly plan. 可以！在账户页面选择”订阅”标签，点击”升级年费”按钮，系统将按剩余月费比例折算优惠
Do you offer a student discount? 是否有学生折扣？ Stratechery is purposely kept at a low price — thousands of dollars less than other analyst reports or newsletters — to ensure it is accessible to everyone, including students. 我们刻意保持低价（比其他分析师报告便宜数千美元），确保包括学生在内的所有人都能订阅
Can you create a custom invoice that meets my government/company requirements? 能否开具符合政府/公司要求的定制发票？ I am happy to create an invoice to your specification for annual subscribers; however, it is simply not viable for me to offer this service to monthly subscribers. Therefore, if you need a custom invoice please subscribe or switch to an annual subscription and contact Stratechery. 可为年费用户开具定制发票，月费用户恕不提供。如需此服务请转年费后联系我们
June 1, 2021 Update: We are hoping to add native support for custom invoices to Passport; you can subscribe to Passport Updates to be notified when it is available. 2021年6月1日更新：即将在Passport系统内置定制发票功能，订阅Passport更新可获通知
Can I give a subscription as a gift? 能否赠送订阅？ Yes! To send a gift visit the gifts page. 可以！前往礼品页面操作