# CaiCai — Product Designer, CPO of YouMind > My name is CaiCai. I am an AI Product Manager and designer, a former senior product expert at Ant Group, founder of Yuque, and CPO of YouMind. Welcome! I am a product designer, and previously a Senior Product Expert at Ant Group. I've developed productivity and creator tools used by tens of millions of users. Now, I'm excited to start a new journey as a founder, launching our new AI product, YouMind. https://www.caicai.me ## About - [About CaiCai](https://www.caicai.me/about): Learn more about CaiCai — a product designer, founder, and former Ant Group Senior Product Expert now building AI products. ## Work - [Alipay](https://www.caicai.me/product/alipay.md): China's leading digital payment and services platform - [Bridge](https://www.caicai.me/product/bridge.md): A human-centric time zone tool for remote teams - [EasyDevo](https://www.caicai.me/product/easydevo.md): A macOS cleaner focused on development environments that helps free up disk space. - [Haye](https://www.caicai.me/product/haye.md): A private macOS AI assistant that lets you chat with any apps, text, screenshots, and files - [Lume](https://www.caicai.me/product/lume.md): A modern and minimalist System Activity Monitor - [Minto](https://www.caicai.me/product/minto.md): Your Claude Code usage monitoring tool - [Nustime](https://www.caicai.me/product/nustime.md): A beautiful time zone app with focus timers and work hour tracking. - [YouMind](https://www.caicai.me/product/youmind.md): The #1 personalized AI learning and creation studio - [Yuque](https://www.caicai.me/product/yuque.md): A knowledge management platform built inside Ant Group and later opened to the public. ## Blog - [All Posts](https://www.caicai.me/blogs) - [YouMind 1.0: The Choices We Made](https://www.caicai.me/blogs/youmind-10-the-choices-we-made.md): 1.0 is a new starting point for YouMind. As CPO, I want to sit down and talk about how we're making choices, how we stay on the main path while innovating, and where we're headed next.... - [How Product Designers Can Move Faster in the AI Era](https://www.caicai.me/blogs/how-product-designers-can-move-faster-in-the-ai-era.md): AI pushes product designers beyond UI, toward judgment, docs, code, and faster collaboration. - [Stop Hiring. Start Deploying Agents](https://www.caicai.me/blogs/stop-hiring-start-deploying-agents.md): When agents can write code, handle support, and catch duplicate actions on their own, your headcount is no longer just people. A field guide to human agent collaboration from the YouMind team.... - [Project Hail Mary ](https://www.caicai.me/blogs/project-hail-mary-.md): Is it just to sacrifice one person to save humanity? On a cosmic scale, what truly matters isn't the grand narrative, but the moment you say "I'm not leaving you behind" to another living being.... - [Is the End of Traditional SaaS Actually Here?](https://www.caicai.me/blogs/is-the-end-of-traditional-saas-actually-here.md): AI isn't competing with SaaS on features. It's replacing the very foundation SaaS stands on. SaaS isn't dead yet, but the walls protecting it are cracking. - [OpenClaw Is Blowing Up, But It Barely Changed Anything for Me](https://www.caicai.me/blogs/openclaw-is-blowing-up-but-it-barely-changed-anything-for-me.md): OpenClaw is exciting but hasn't changed much for me. Why it went viral, what concerns me, and what it means for product design. - [YouMind: Finding Product Balance Through Subtraction](https://www.caicai.me/blogs/youmind-finding-product-balance-through-subtraction.md): From feature bloat to restraint: a redesign story about courage, where growth comes from subtraction, not addition - [What AI Coding Means for Product Designers](https://www.caicai.me/blogs/what-ai-coding-means-for-product-designers.md): Over the past six months, I've moved significant design work to AI coding. Our profession is undergoing a fundamental restructuring, technical skill is no longer the scarce resource. Judgment is. Designers are shifting from product contributors to product authors.... - [2025 Annual Summary](https://www.caicai.me/blogs/2025-annual-summary.md): This document is both long and short. It is long in terms of the words, filled with the details of 2025. It is short in the context of life, as it represents just a moment of existence.... - [The meaning of life](https://www.caicai.me/blogs/the-meaning-of-life.md): Life has no answer key. The past is narrative and the future is projection. The only time you can actually choose, act, and take responsibility is now. Stop waiting for the “better version” of life. Return to what’s workable today: one breath, one conversation, one real step.... - [The Hidden Complexity of Dark Mode Design](https://www.caicai.me/blogs/the-hidden-complexity-of-dark-mode-design.md): When designing a dark theme, it is not just a simple matter of changing color values; it is a completely new design that involves many potential issues and requires a significant amount of effort.... - [I Love Obsidian, But We're Not Right for Each Other](https://www.caicai.me/blogs/i-love-obsidian-but-were-not-right-for-each-other.md): Third time trying Obsidian, giving up again. It gives you freedom but also burden. Want to write, end up messing with configs and plugins. Attachments don't make sense, community leans technical. Not that it's bad. We're just not right for each other.... - [Building YouMind: A Year of Extension Design](https://www.caicai.me/blogs/building-youmind-a-year-of-extension-design.md): The YouMind browser extension has been released to version 0.3, so I'm stopping to share some thoughts and stories behind it - [The Gemini 3 I See: A Different Take](https://www.caicai.me/blogs/the-gemini-3-i-see-a-different-take.md): This article looks at Gemini 3 through three lenses — anti‑flattery training, generative interfaces, and the mainstreaming of vibe coding — to show how Google is shifting AI from tech demos to real user value.... - [Why we build Audio Pod in YouMind？](https://www.caicai.me/blogs/why-we-build-audio-pod-in-youmind.md): Audio Pod is a new feature in YouMind that lets you turn your notes, drafts, and reading lists into a personal podcast style audio playlist - [YouMind Startup Journey (2)](https://www.caicai.me/blogs/youmind-startup-journey-2.md): YouMind has released version 0.5. As the co-founder, I'd like to briefly record some of my past thoughts and reflections. - [YouMind iOS 1.2: Shipping Imperfect](https://www.caicai.me/blogs/youmind-ios-12-shipping-imperfect.md): After months of development, the new YouMind iOS version is live. First, an apology. This isn't the complete version yet. We decided to ship this early experience version after some bold exploration.... - [YouMind 0.5: Learn smarter. Create bolder.](https://www.caicai.me/blogs/youmind-05-learn-smarter-create-bolder.md): Announcing YouMind 0.5: materials, ideas, and output now flow in one place, allowing thoughts and creativity to flow naturally - [A Year in Calgary: Learning to Slow Down](https://www.caicai.me/blogs/a-year-in-calgary-learning-to-slow-down.md): A year ago, my wife and I arrived in Calgary with nothing but suitcases. Everything started from scratch. Today, watching autumn leaves fall, I'm reflecting on this life-changing journey.Retry... - [How to Research Using YouMind](https://www.caicai.me/blogs/how-to-research-using-youmind.md): Finding information for research in the AI era remains a challenging task. YouMind provides tools to streamline information gathering, enabling rapid understanding and efficient knowledge organization... - [YouMind：The best learning AI tool for knowledge workers](https://www.caicai.me/blogs/youmindthe-best-learning-ai-tool-for-knowledge-workers.md): In the age of AI, we need an AI Native learning tool even more. YouMind was designed from the outset following new ideas to improve product features. - [Introducing Haye 2.0 to everyone](https://www.caicai.me/blogs/introducing-haye-20-to-everyone.md): A private macOS AI assistant that lets you experience top-tier models like DeepSeek R1, GPT-4.1, o3, Claude-3.7, and Gemini-2.5 in a single app - [YouMind : A Bitter Lesson from Squirrels](https://www.caicai.me/blogs/youmind-a-bitter-lesson-from-squirrels.md): Effective learning isn't about how much you collect, but about what you - [YouMind : The Unfinished Dream](https://www.caicai.me/blogs/youmind-the-unfinished-dream.md): YouMind: An AI-powered workspace empowering creators from inspiration to expression. - [Recycling cans is really a good idea](https://www.caicai.me/blogs/recycling-cans-is-really-a-good-idea.md): Canadian taxes surprised me! Costco's bottle deposit fee supports an efficient recycling system - turning waste to value. - ["Haye AI, the most beautiful macOS AI Chat”](https://www.caicai.me/blogs/haye-ai-the-most-beautiful-macos-ai-chat.md): Haye AI: A powerful macOS AI assistant offering ChatGPT-like features at just $4.99/month - [YouMind Startup Journey (1)](https://www.caicai.me/blogs/youmind-startup-journey-1.md): Super excited to announce Mind Bicycle's first AI product: YouMind! - [Bridge, A human-centric time zone tool](https://www.caicai.me/blogs/bridge-a-human-centric-time-zone-tool.md): The idea for Bridge came from our own experience as a remote development team. Working across time zones, we often needed a seamless macOS tool to synchronize schedules effortlessly.... - [2024: A Year of Turning Points](https://www.caicai.me/blogs/2024-a-year-of-turning-points.md): This year, I embraced new experiences and learned to manage anxiety. I focused on enjoying exploration rather than rushing. - [Midnight Talk 11：Future in Now](https://www.caicai.me/blogs/midnight-talk-11future-in-now.md): Hello everyone, I'm CaiCai. It's been a while since I last updated my midnight talk. Today, sitting in the library working, my thoughts are all over the place. I figured I should still pick up my pen and write down some of the changes that have happened over the past few months!... - [Midnight Talk 10](https://www.caicai.me/blogs/midnight-talk-10.md): It's been a long time since I've published a document on Yuque. A lot has changed this past year. Some of those changes are still being processed, while others foreshadow a better future. So, taking advantage of the last few days of the lunar year…... - [Use ChatGPT to build macOS applications without any code experience](https://www.caicai.me/blogs/use-chatgpt-to-build-macos-applications-without-any-code-experience.md): After exploring Xcode, Electron, and Tauri for a month, I built an app with ChatGPT generating 95% of its code. - [EasyDevo: The Developer Tool You Might Need](https://www.caicai.me/blogs/easydevo-the-developer-tool-you-might-need.md): We're thrilled to launch our studio's first app, crafted specifically for developers. This handy tool addresses the growing storage challenges in your development environment, easing the burden of project dependencies, SDKs, and older Xcode versions.... - [My Seven Product Principles](https://www.caicai.me/blogs/my-seven-product-principles.md): As a product manager, one must remember the original intention, remain open-minded, pursue simplicity, and deeply explore the root causes of problems. Products should be on equal footing with users, avoid over-design, focus on user experience, and dare to admit failure, decommissioning unnecessary f... - [Tank 300 Review](https://www.caicai.me/blogs/tank-300-review.md): The Tank 300 SUV impresses with its Wrangler-like design, modern technology, and off-road capabilities. While the power is average, it's a good option for adventure enthusiasts looking for something under $200,000.... - [Hangzhou Restaurant Recommendations (3)](https://www.caicai.me/blogs/hangzhou-restaurant-recommendations-3.md): Discover the culinary delights and cozy ambiance of Little Zhu Restaurant, a top recommendation with a charming courtyard and fresh ingredients. - [Recommended Restaurants in Hangzhou (Part 1)](https://www.caicai.me/blogs/recommended-restaurants-in-hangzhou-part-1.md): Because I have recently started to pay attention to a lot of online celebrity restaurants on Douyin and Xiaohongshu, so every weekend, I will go there with Dabao to experience it. I have been going there for a while, so I will take a note of the memories of some of the restaurants I have encountered... - [Midnight Talk 9](https://www.caicai.me/blogs/midnight-talk-9.md): Over the past few months, I have been on an intense weight loss journey. - [Midnight Talk 8](https://www.caicai.me/blogs/midnight-talk-8.md): I watched a video about Chi Shang, Taiwan, and it made me miss my kind friends and the peaceful countryside. Mini EVs are booming, even in Shanghai! I've interviewed many young product managers, noticing they lack clarity, depth, and communication skills.... - [Midnight Talk 7](https://www.caicai.me/blogs/midnight-talk-7.md): CarPlay's new map is awesome, auto-routing my grocery trips! I love DIY Openwrt, a great escape. Missed a huge housing lottery, maybe no luck there. Vietnam trip again - Nha Trang is hot, but fun for families!... - [Midnight Talk 6](https://www.caicai.me/blogs/midnight-talk-6.md): Home internet speed is slow, WiFi is worse than 4G. Found the reason is the primary router's performance is limited after installing special functions, bandwidth is only one-third left, plus the Apple router is old, 5G penetration is poor. Decided to replace the devices: the primary router from Netg... - [Midnight Talk 5](https://www.caicai.me/blogs/midnight-talk-5.md): I explored Dou Wei's rock but was too young then. Now, I'm testing a Fuji 56mm f/1.2 lens (feels overpriced at 1.7 effective aperture), regretting my XPRO2 choice, Sony A7III beckons, but costly! Also, first HOA meeting was awkward: parking fees are messy. Our great service is challenged by constant... - [Strange Bug](https://www.caicai.me/blogs/strange-bug.md): As a Yuque PD, I've battled bizarre bugs! Upload crashes with Sogou IME, hidden double-quote issues, and 'bundles' of grains causing confusion. We fought disappearing images from copy-paste, mysterious "口口口" in Win 10, a title-style bug in Sogou browser, a phantom green line, and lost TOC due to a... - [Serbia and Bosnia ](https://www.caicai.me/blogs/serbia-and-bosnia-.md): This year's holiday I chose to travel to Serbia and Bosnia and Herzegovina. The reason for choosing these two countries is that they are visa-free for Chinese tourists, and I could avoid the massive crowds at domestic tourist attractions during the National Day holiday. Throughout the trip, what im... - [Midnight Talk 4](https://www.caicai.me/blogs/midnight-talk-4.md): I ditched visas, flew to Serbia with afc163 for an unplanned adventure! Epic drive to Bosnia revealed rural life. I'm writing about our mishaps. Also, picked up trash on hikes in my city, saw lagging tech in a science museum, but was blown away by Red Dead Redemption 2 – the world is stunning!... - [Midnight Talk 3](https://www.caicai.me/blogs/midnight-talk-3.md): I got 7 letters from Haibo, cool updates! My move to product at Yuque made me calmer. Car fees felt like a scam. Work took my passport, no trips! If I could, I'd visit North Korea.... - [Off to Sanya](https://www.caicai.me/blogs/off-to-sanya.md): Avoid Sanya at all costs! My trip was a nightmare: missed flights, shady seafood scams, and reckless drivers. Plus, the lack of mobile payments and exorbitant processing fees left me frustrated.... - [Vietnam - Da Nang](https://www.caicai.me/blogs/vietnam-da-nang.md): Visited Da Nang, Vietnam - rode motorbikes, explored Ba Na Hills and coastal roads. Enjoyed food and culture, but lost GoPro on cable car - [Changsha City](https://www.caicai.me/blogs/changsha-city.md): Immerse yourself in the vibrant tapestry of Changsha, where Hunan dialect dances on the streets, spicy cuisine ignites your taste buds, and intriguing architecture weaves the past and present together... - [Grandma went to heaven](https://www.caicai.me/blogs/grandma-went-to-heaven.md): I didn’t return home for the Dragon Boat Festival because of work, and the regret is unbearable. Looking back, it truly shouldn’t have been that way. Some people in the family don’t even return for the New Year, and I just don’t understand it... - [My Taiwanese friend - Mr. Xue](https://www.caicai.me/blogs/my-taiwanese-friend-mr-xue.md): It has been a while since I came back from Taiwan. I have found a job and settled down. So I wrote some memories of Taiwan to preserve the memories of that time forever.... - [Taiwan Memory - Conversations on the Train](https://www.caicai.me/blogs/taiwan-memory-conversations-on-the-train.md): On a train to Taipei, I met a cool, 50s-ish Japanese teacher/artist. We chatted for hours! She shared stories of her life, daughters, and taught me: Your value lies in your unique thoughts, not just textbook answers. Meeting her was impactful.... ## Optional - [Photography](https://www.caicai.me/photography): A visual journal - [RSS (English)](https://www.caicai.me/api/rss.xml): Subscribe to new posts - [RSS (中文)](https://www.caicai.me/api/rss/zh.xml): 订阅中文文章 - [YouMind](https://youmind.ai): AI learning and creation studio — build and explore with AI