2. Ask HN: 您想用 CyberIdentitySecurity.com 建立什么? What would you build with CyberIdentitySecurity.com? (news.ycombinator.com)
5. 创建自定义 CTA URL Shortener - 需要您的反馈意见 Building a Custom CTA URL Shortener – Need Your Feedback (news.ycombinator.com)
6. Ask HN: 为什么 ChatGPT 图像基因需要 pyxl.pro? Why does ChatGPT image gen want pyxl.pro? (news.ycombinator.com)
12. Ask HN: 要成为一名成功的加密货币/股票交易者,您的最佳建议是什么? What''s your Best Advice for becoming a successful crypto/stock trader? (news.ycombinator.com)
13. 更新 Outlook 365 的 SPF 记录 - Zoho Updating the SPF record for Outlook 365 – Zoho (news.ycombinator.com)
14. 谷歌通知 Fitbit 用户迁移到谷歌,否则将被淘汰 Google tells Fitbit owners to move to Google or else (news.ycombinator.com)
17. Debian 测试/Trixie 移除已解决的系统问题 Debian Testing/Trixie removes systemd-resolved (news.ycombinator.com)
20. Ask HN: Cursor 与 GitHub Copilot 或 Sourcegraph Cody 有何不同? How Is Cursor Different Than GitHub Copilot or Sourcegraph Cody? (news.ycombinator.com)
24. 连续时间、离散空间跳跃过程极限案例的收敛性 Convergence of Limiting Cases of Continuous-Time, Discrete-Space Jump Processes (news.ycombinator.com)
25. Ask HN: 如果我用小写字母提交 YC 申请,会有问题吗? Is it a problem if I submit my YC application in all lowercase (news.ycombinator.com)
26. Ask HN: 超越 YC 牵线搭桥:如何找到美国首席执行官的联合创始人? Beyond YC Match Making: How Do We Find a US CEO Co-Founder? (news.ycombinator.com)
27. Ask HN: 非著名开发者如何受邀参加 Lobsters? How do non-famous developers get invited to Lobsters? (news.ycombinator.com)
28. Ask HN: 1 美元能在一个月内为他人的生活带来多少便利? What 1 can spend to make someone''s life easier within a month? (news.ycombinator.com)
29. Ask HN: 如何判断一个框架是否值得坚持? How do you know if a framework is worth sticking with? (news.ycombinator.com)
32. Tell HN: 4/1 日,未发布的 Docker 拉取将限制为 10 / HR On 4/1 Unauthed Docker Pulls will be limited 10 / HR (news.ycombinator.com)
34. Ask HN: 如何设计代理优先的网络体验? How would you design an agent-first web experience? (news.ycombinator.com)
35. Ask HN: 懂得编码/编程 "的标准是什么? What are the criteria for ''knowing how to code/program''? (news.ycombinator.com)
36. 如何在虚幻引擎 5.5 中使用 LLM 生成蓝图、资产等? How to use LLMs with unreal engine 5.5 to generate blueprints, assets etc.? (news.ycombinator.com)
37. Ask HN: 将图形布局算法产品化的最简单方法? Simplest way to productize my graph layout algo? (news.ycombinator.com)
39. Removepaywall.com 重定向至 RussiaToday Removepaywall.com Redirecting to RussiaToday (news.ycombinator.com)
40. 谷歌在未经开发者同意的情况下公布他们的家庭住址 Google is publishing the home addresses of developers without their consent (news.ycombinator.com)
41. Ask HN: 为什么有人要投资失败的初创企业? Why would anybody want to invest in failed startup (news.ycombinator.com)
44. Ask HN: 您如何看待 JWT 的撤销策略? What do you think about this JWT revocation strategy? (news.ycombinator.com)
46. Ask HN: 有没有为 Mastodon 的开源项目推荐的服务器? Is there a recommended server for open source projects for Mastodon? (news.ycombinator.com)
48. Ask HN: 自由职业者,人工智能代理如何改变你的工作流程? Freelancers, how are AI agents changing your workflow? (news.ycombinator.com)
59. 请忽略这一点 - 我正在尝试如何正确设置帖子的格式 Ignore this – I''m trying to figure out how to format posts correctly (news.ycombinator.com)
60. Ask HN: 您是如何对付人工智能辅助面试作弊者的? How are you dealing with AI-assisted interview cheaters? (news.ycombinator.com)
62. Ask HN: 您对今天的计算机科学学生有什么建议? What advice would you give to a CS student today? (news.ycombinator.com)
63. 审查流动性和市场趋势:反向回购和标准普尔 500 指数分析 Examining Liquidity and Market Trends: A Reverse Repo and S&P 500 Analysis (news.ycombinator.com)
65. Ask HN: 在赴美旅行时保护机密信息 Protecting confidential information while travelling to the US (news.ycombinator.com)
66. Tell HN: 我分叉并重新发布了一个流行的、被遗弃的 Python 库 I forked and republished a popular, abandoned Python library (news.ycombinator.com)
69. Ask HN: 现在可以精确提取无理数位--一次性出售知识产权 Exact irrational digit extraction now possible – one-time IP sale (news.ycombinator.com)
73. Tell HN: OpenAI 昨天对 GPT4o 图像生成增加了严格审查 OpenAI added heavy censorship on GPT4o image generation yesterday (news.ycombinator.com)
74. Ask HN: 不断用人工智能生成的代码打开拉取请求的配置文件? A profile that keeps opening pull requests with AI-generated code? (news.ycombinator.com)
75. 操作系统对 MacBook Pro 纤薄特性和无风扇被动散热的贡献 Contribution of OS to slim nature and passive fanless cooling of MacBook Pros (news.ycombinator.com)
76. 简化了查找相关数据和目标受众痛点的工作 Simplified finding relevant data and pain points of our target audience (news.ycombinator.com)
77. Ask HN: 马努斯是如何进行 "计划与行动循环 "的? How is Manus doing the Plan and Acting Loop? (news.ycombinator.com)
79. Ask HN: 为市场初创企业寻找技术联合创始人(仅限股票) Seeking technical cofounder for marketplace startup (equity-only) (news.ycombinator.com)
80. Ask HN: 您更喜欢哪种代理框架/工具,为什么? Which agentic framework/tool do you prefer and why? (news.ycombinator.com)
82. Ask HN: GPT-4o 图像生成有版权问题吗? Does GPT-4o image generation have copyright issues? (news.ycombinator.com)
83. Tell HN: Archive.is/ph/md/etc. 将我重定向到 HTTPS:// rurtnews - com Archive.is/ph/md/etc. is redirecting me to HTTPS:// rurtnews – com (news.ycombinator.com)
84. 冷处理电子邮件的艺术解析(附真实案例) The art of cold email broken down (with real examples) (news.ycombinator.com)
86. Ask HN: 您首选的开放源代码图形数据库是什么? What is your preferred open source graph database? (news.ycombinator.com)
91. Ask HN: 业余编程是否表明你更愿意发明而不是发现? Does hobby programming indicate you would rather invent than discover? (news.ycombinator.com)
92. Ask HN: 如果我点击一个未知链接,会发生什么最糟糕的事情? What''s the worst thing that could happen if I click on an unknown link (news.ycombinator.com)
93. 应该有办法让我在社交媒体上轻松 "分享 "我的人工智能聊天机器人对话 There should be a way to easily "share" my AI chatbot convos on social media (news.ycombinator.com)
94. 苹果公司是否在其 Lumon Terminal Pro 视频中误导了我们? Is Apple misleading us in their Lumon Terminal Pro video? (news.ycombinator.com)
95. 还有人害怕朋友问 "创业进展如何? Anyone else dread the "how''s the startup going?" question from friends? (news.ycombinator.com)
97. 订阅和收入共享模式的税务/法律清单? Tax/legal checklist for a subscription and revenue sharing model? (news.ycombinator.com)
98. 我们成为印度最具创新性的潜在客户生成机构 We Became India''s Most Innovative Lead Generation Agency (news.ycombinator.com)
100. Ask HN: 2025 年,个人开发人员的理想工作环境是什么? What''s the ideal stack for a solo dev in 2025 (news.ycombinator.com)
101. Ask HN: 加拿大人不再向 YC 申请资助了吗? Have Canadians stopped applying to YC for funding? (news.ycombinator.com)
102. 前 100 名用户免费:统一应用程序接口自动选择 GPT、DeepSeek、Llama 进行所有提示 First 100 users free: Unified API auto-selects GPT,DeepSeek,Llama for all prompt (news.ycombinator.com)
103. Ask HN: 美国的工程技能能很好地转化到欧洲公司吗? Do US engineering skills translate well to European companies? (news.ycombinator.com)
108. Ask HN: 律师和其他行业还要多久才能实现人工智能自动化? How long until lawyers, other industries are automated with AI? (news.ycombinator.com)
110. Ask HN: 华盛顿邮报》说 Signal 不安全,这种说法正确吗? Is Washington Post correct in saying Signal is unsecure? (news.ycombinator.com)
111. Ask HN: Anthropic 的 MCP 能否成功成为人工智能集成标准? Will Anthropic''s MCP succeed as an AI integration standard? (news.ycombinator.com)
116. Ask HN: YC 是否会资助所有人工智能联合创始人创办的初创企业? Will YC fund startups by all AI cofounders? (news.ycombinator.com)
119. Ask HN: 您使用哪种语言来处理高性能网络工作和服务? What language do you use for performant web jobs and services? (news.ycombinator.com)
121. Ask HN: 您如何举报您认为可能存在欺诈行为的家庭互联网服务提供商? How would you report a home ISP that you think may be committing fraud? (news.ycombinator.com)
122. Ask HN: 人工智能能帮您省钱吗? Are there any money-saving hacks that AI can assist you with? (news.ycombinator.com)
125. 我的第一家失败的初创企业以及我如何对待下一家企业 My First Failed Startup and How I''m Approaching the Next One (news.ycombinator.com)
126. 利用 Reddit 和人工智能内容推动销售线索--您的成功经验是什么? Using Reddit and AI content to drive leads – what''s working for you? (news.ycombinator.com)
128. 我买了一台笔记本电脑。这个配置值多少美元? I bought a laptop. How much is this configuration worth in USD? (news.ycombinator.com)
137. 谁想加入一家人工智能创业公司(远程,全职) Who wants to join a bootstrapped AI startup (Remote, Full-Time) (news.ycombinator.com)
139. Ask HN: 如果您是一家从事 AI/ML 的机构,您在使用什么? If you''re an organization doing AI/ML what are you using? (news.ycombinator.com)
140. 在建立代理时,您是否经常采购数据? Do you procure data often when you''re building your agents? (news.ycombinator.com)
142. Ask HN: 如何将我对编程的热爱转化为独立的收入来源? How do I turn my love for programming into independent source of money? (news.ycombinator.com)
143. Ask HN: 所有特斯拉市场份额的帖子都与黑客有关吗? Are all the Tesla market share posts relevant for hackers? (news.ycombinator.com)
144. 迈向没有疾病的未来(寻找合作者) Towards a future free of disease (& looking for collaborators) (news.ycombinator.com)
145. Ask HN: 创建初创企业 10 年后的反思--您学到了什么? Reflections after 10 years building startups – what have you learned? (news.ycombinator.com)
146. 餐厅经营者 - 如何处理已签名的收据? Restaurant Operators – What do you do with your signed receipts? (news.ycombinator.com)
147. Ask HN: 发现新的 SaaS 业务有哪些好的替代方案? What are good alternatives for discovering new SaaS Business? (news.ycombinator.com)
148. 通过候补名单收集反馈意见的功能被破坏了--这是我的修复方法 Collecting feedback via waitlists is broken - here''s my fix (news.ycombinator.com)
149. 如果数字系统是选择人而不是为人服务,会怎样? What if a digital system selected people instead of serving them? (news.ycombinator.com)
150. 苹果芯片上的(Asahi)Linux 前景如何? What Is the Future of (Asahi) Linux on Apple Silicon? (news.ycombinator.com)
153. Ask HN: 打造非人工智能工具让我感到意外的新鲜 Building a Non-AI tool feels surprisingly refreshing for me (news.ycombinator.com)
156. Ask HN: 您关注了 Mastodon 的哪些标签? What hashtags are you following on Mastodon? (news.ycombinator.com)
158. 人工智能驱动的招聘:MokaHR 如何变革人才招聘 AI-Driven Hiring: How MokaHR Transforms Talent Acquisition (news.ycombinator.com)
159. 构建 SubTrackr - 面向小型企业的简单订阅跟踪器 Building SubTrackr – A Simple Subscription Tracker for Small Businesses (news.ycombinator.com)
160. 利用人工智能扩大招聘规模:MokaHR 如何实现招聘自动化 Scaling Hiring with AI: How MokaHR Automates Recruitment (news.ycombinator.com)
161. Ask HN: B2B 公司是否会欢迎人工智能语音机器人对其潜在客户进行资格审查? Will B2B companies welcome an AI voice bot qualifying their leads? (news.ycombinator.com)
162. Ask HN: 哪些 LLM 工具可用于本地搜索和分析文件? What LLM tools to locally search and analyse your documents? (news.ycombinator.com)
164. Ask HN: 您是如何防范供应链攻击的? How are you protecting against supply chain attacks? (news.ycombinator.com)
165. 寮屋/身份盗窃/穿越树木/破坏财产 Squatter/identity theft/treespassing /destrucrion prooerty (news.ycombinator.com)
166. Ask HN: 您打算如何在后启示录世界重建工业? How do you propose to rebuild industry in a post-apocalypse world? (news.ycombinator.com)
169. Ask HN: 有没有比 Google 地图时间线更好的替代方案? Is there a better alternative to Google Maps Timeline? (news.ycombinator.com)
171. Ask HN: 是否有人采用或看到有人采用 RFC8959 保密令牌? Has anyone adopted or seen adoption of RFC8959 secret-token? (news.ycombinator.com)
172. Ask HN: 人工智能编码能否消除编程工作中的年龄歧视? Will AI coding eliminate age discrimination in programming jobs? (news.ycombinator.com)
173. 需要帮助识别所提供的信用号码是真实的还是虚拟的 Need help to identify if a provided credit number is real or virtual (news.ycombinator.com)
178. 为什么没有人开发一款收据追踪应用程序来验证餐厅小费? Why hasn''t anyone built a receipt tracker app to verify restaurant tips? (news.ycombinator.com)
179. Ask HN: 您是否使用人工智能生成大部分生产代码? Do you use AI to generate majority of your production code? (news.ycombinator.com)
180. Ask HN: 有 "录像机 "应用程序吗?我可能想发布一个 Is there a "VCR" app? I may want to release one (news.ycombinator.com)
182. Ask HN: 您的公司/初创企业是否愿意每周支付 1,000 至 11,000 美元刊登赞助广告? Would your company/startup pay 1K to 11K a week for a sponsorship ad? (news.ycombinator.com)
183. Ask HN: 您认为 RFC 10''000 应该以什么为主题? What do you think that RFC 10''000 should be about? (news.ycombinator.com)
185. Ask HN: 您多长时间能制作出一次性原型? How often are you able to build throwaway prototypes? (news.ycombinator.com)
187. 寻找远程 PLM 咨询线索:非美国居民版 Finding Remote PLM Consulting Leads: Non-US Resident Edition (news.ycombinator.com)
189. Ask HN: 您使用哪些开源和/或本地 LLM? Which open-source and/or local LLMs do you use and for what? (news.ycombinator.com)
190. Ask HN: 您会为人工智能驱动的儿童语音治疗应用程序付费吗? Would You Pay for an AI-Powered Speech Therapy App for Kids? (news.ycombinator.com)
192. Tell HN: 在回复 "谁在招聘 "中的招聘信息时要小心谨慎 Taking care when responding to job postings in "who is hiring" (news.ycombinator.com)
195. Ask HN: 程序员是否普遍喜欢一定程度的复杂性? Do programmers generally enjoy some amount of complexity? (news.ycombinator.com)
196. Ask HN: 地缘政治上,台湾现在能因为人工智能芯片而发号施令吗? Geopolitically can Taiwan call the shots now because of AI chips? (news.ycombinator.com)
199. Ask HN: 能准确回答文档中问题的人工智能工具/产品? AI tools/products that can accurately answer questions from documents? (news.ycombinator.com)
200. 为什么 Hacker News 还保留着这种难以使用的用户界面,而且可读性如此之差? Why is Hacker News still keep this hard-to-use UI and has such poor readability? (news.ycombinator.com)
203. U4Wins:人工智能生成的路线图,引导您走向成功--每次点击一次 U4Wins: AI-Generated Roadmaps That Guide You to Success–One Click at a Time (news.ycombinator.com)
204. Ask HN: 同构 "JavaScript 框架安全吗?如何保证安全? are "isomorphic" JavaScript frameworks secure? How? (news.ycombinator.com)
205. Ask HN: 贵公司是否利用法律硕士运送过有用/成功的物品? Has your company shipped anything useful/successful using LLMs? (news.ycombinator.com)
206. Ask HN: 是人才短缺、期望过高,还是其他原因? Talent shortage high expectations, or something else? (news.ycombinator.com)
207. Ask HN: 我的软件转移了数万亿美元。美国医学会 My software has moved trillions of dollars. AMA (news.ycombinator.com)
209. Ask HN: Go 实时定位系统的最佳地理空间索引方法? Best geospatial indexing approach for real-time location systems in Go? (news.ycombinator.com)
215. Ask HN: 关于提高消费者/P2P 应用程序参与度的建议? Advice on increasing engagement for consumer/P2P app? (news.ycombinator.com)
218. Ask HN: 文档最糟糕的开源项目? Best open source project that has terrible documentation? (news.ycombinator.com)
219. 在所有条件不变的情况下,会话存储应优于 JWT 验证 Session storage should be preferable to JWT auth all things remaining same (news.ycombinator.com)
221. 如果您是独立创始人,每周工作 15x7,还是 8x5? When you are an independent founder, work 15x7 or work 8x5 per week? (news.ycombinator.com)
223. 警告:23andMe 刚刚添加了一种删除数据的黑暗模式 Warning: 23andMe just added a dark pattern to delete your data (news.ycombinator.com)
225. 关于 x86/X64 以外非 DOS/Unix 开放源码操作系统的建议 Recommendation for non-DOS/Unix open source OS outside x86/X64 (news.ycombinator.com)
228. Vibe Coder - 人工智能工程师 YC 招聘启事:讽刺还是不讽刺? Vibe Coder – AI Engineer YC Job posting: Satire or not Satire? (news.ycombinator.com)
231. 对你来说,学习和实践中最难的部分是什么? What is the hardest part of learning and practice, for you? (news.ycombinator.com)
232. 如今几乎不可能找到自由职业项目 It is practically impossible to find a freelance project these days (news.ycombinator.com)
233. 哪些开源项目被广泛使用,但仅由少数人维护 Which open-source projects are widely used but maintained by just a few people (news.ycombinator.com)
234. 个性化人工智能代理:根据您的需求量身定制的智能 Personalized AI Agents: Intelligence Tailored to Your Needs (news.ycombinator.com)
235. 在大型科技公司工作的人:您是如何使用 Cursor 的? Folks who work for large tech companies: How are you using Cursor? (news.ycombinator.com)
236. Ask HN: 如果可以重新开始,选择硬件还是软件? If you could start over, hardware or software? (news.ycombinator.com)
237. Ask HN: 为什么 Reddit 停止在 Safari 上运行? Why did Reddit stop working on Safari? (news.ycombinator.com)
240. Urldn - 带有跟踪和 QR 代码的免费 URL 短缩器 Urldn – A Free URL Shortener with Tracking and QR Codes (news.ycombinator.com)
241. Ask HN: CS 本科毕业后的下一步 - 数学、ML 还是物理? Next steps after CS bachelor – more math, ML, or physics? (news.ycombinator.com)
242. Ask HN: 用户报告和反馈回路,以符合法规要求 User reporting and feedback loops for regulatory compliance (news.ycombinator.com)
243. Ask HN: 你能为人类进步的顶峰提出论据吗? Would you make an argument for the peak of human progress? (news.ycombinator.com)
244. 我是如何在 X(当无人问津时)的公共场合保持建筑动力的? How I stay motivated building in public on X (When Nobody Cares) (news.ycombinator.com)
247. Ask HN: 我创建了一个一体化代理编辑器--可能需要您的指导/合作 I built an all-in-one agentic editor–I might need your guidance / collab (news.ycombinator.com)
248. 特朗普的混乱是否就像《巴比伦 5 号》中的沃隆/阴影战争? Is the Chaos of Trump, Like the Vorlon/Shadow War in Babylon 5 (news.ycombinator.com)
250. Ask HN: 初级程序员应该如何使用和/或不使用人工智能进行编程? How should junior programmers use and/or not use AI for programming? (news.ycombinator.com)
251. 那个在 HN 上乱发垃圾邮件的家伙 bschmidt711 是谁啊? Who''s this dick bschmidt711 that''s spamming HN? (news.ycombinator.com)
252. Ask HN: 在一家公司全职工作的同时为一个副业项目创建 LinkedIn 简介 LinkedIn Profile for a Side Project While Working Full-Time at a Company (news.ycombinator.com)
254. Ask HN: 您使用什么技巧来保护自己免受网络攻击? What tricks do you use to protect yourself against cyber attack? (news.ycombinator.com)
255. Ask HN: 推荐学习移动应用程序营销的资源? Recommend resources to learn mobile app marketing? (news.ycombinator.com)
260. Ask HN: 您使用过的最简单的数据协调工具是什么? What is the simplest data orchestration tool you''ve worked with? (news.ycombinator.com)
261. Ask HN: 国外是否对建立美国信用分数感兴趣? Is there interest in building USA Credit Score from outside the country? (news.ycombinator.com)
262. Ask HN: 哪些播客节目改变了您对初创企业的看法? What podcast episodes changed the way you think about startups? (news.ycombinator.com)
263. Ask HN: 如果互联网本应是公共的,那我们为什么还要与人工智能扫瞄器作斗争? Why Are We Fighting AI Scrapers If the Internet Is Meant to Be Public? (news.ycombinator.com)
264. 我创建了一个由 Notion 支持的 WordPress 替代程序 I Built a WordPress Alternative Powered by Notion (news.ycombinator.com)
265. 作为一名个体经营者,我获得了第一位客户(我没有受众,营销费用为零)。 I get my first customer as a solopreneur (I have 0 audience, 0 for marketing) (news.ycombinator.com)
268. Ask HN: 今天有人在使用 YouTube 时遇到困难吗? Anyone having trouble using YouTube today? (news.ycombinator.com)
271. Ask HN: 为什么学校不允许学生把成绩 "花 "在独立游戏上? Why don''t schools allow students to "spend" their grades on indie games? (news.ycombinator.com)
272. Ask HN: 如何在没有 Skype 的情况下用电脑拨打国际电话? How to make international phone call from PC without skype? (news.ycombinator.com)
274. Ask HN: 有没有只在免费开源数据集上训练的人工智能? Are there AIs that are trained only on free and open source datasets? (news.ycombinator.com)
277. Ask HN: Python 是否应该支持本地契约设计(类不变式)? Should Python support native Design by Contract (class invariants)? (news.ycombinator.com)
278. 革命性的数据分析不再需要繁琐的 SQL 查询 Revolutionary data analysis: No more cumbersome SQL queries (news.ycombinator.com)
280. Ask HN: 我没有耐心做一名 IC。什么角色最适合我? I don''t have the patience to be an IC. What role would best suit me? (news.ycombinator.com)
281. Ask HN: 英伟达假装他们的机器人不是遥控的--为什么? Nvidia pretended their robot was not remote controlled – why? (news.ycombinator.com)
282. 内政部对我就取消苹果 ADP 所提问题的答复 The Home Office''s Response to my questions about the removal of Apple''s ADP (news.ycombinator.com)
284. Tell HN: 让用户能够在服务器端进行自我阻塞,这一点很好 Enabling users to do server-side self-blocking is neat (news.ycombinator.com)
290. Ask HN: 企业开放源码软件项目欢迎非雇员的重大贡献吗? Do corporate OSS projects welcome major non-employee contributions? (news.ycombinator.com)
291. Ask HN: 追踪情绪和声音线索的人工智能面试教练能帮你吗? Could an AI interview coach tracking emotions and voice cues help you? (news.ycombinator.com)
292. 这里有喜欢代码/数据科学的医生/医学生吗? Any medical doctor/medical student here who is into code/data science? (news.ycombinator.com)
295. Ask HN: 开发者们,你们是如何找到一位设计师让你们的产品看起来很棒的? Developers, how did you find a designer to make your product look great? (news.ycombinator.com)
297. Ask HN: 在 Firefox 浏览器上,HN 的滚动速度慢吗? Is HN scrolling slow/jagged on Firefox for you? (news.ycombinator.com)
299. Ask HN: 通过远程视图在 Mac 上进行开发是否可行? Is developing on Mac via Remote View doable long term? (news.ycombinator.com)
300. Ask HN: 有哪些促进虚拟会议的新工具? What new tools are there for facilitating virtual conferences? (news.ycombinator.com)