22 y/o med student building startups. 🧠 memo.cards 🥗 healthmaxx.com

Joined February 2023
322 Photos and videos
Inline diagrams @memocardai
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We launched Skills in Memo 8.1. @memocardai Skills are reusable prompt styles that let you shape how Memo thinks, explains, and creates from your content.
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Notion toggles Anki spaced repetition = Inline reviews at @memocardai
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Launched our new update to our notebookLM alternative (Memo) and 24 hour bill is already $545 😅 - time to start optimising our cost now
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Redesigned NotebookLM.
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Launching soon. Step 1.
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Note selection dialog design with previews of each note format.
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5 Dec 2025
cloudflare down again
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27 Aug 2025
after 2 years of using nextjs app router, i only realized why apps are slow - never fetch on the layout: it seems to block loading.tsx components causing the perceived "lag" when routing between pages. Is this correct? @leerob ?
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20 Jul 2025
inline audio blocks within our flashcard editor now available at memo[.] cards! super useful for language learning / sounds training! personally using it and built it for myself to learn about heart sounds and murmurs in med school!
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18 Jul 2025
beauty of using my own product in med school: Study → Dogfood → Realize what sucks → Improve it → Let background agents draft changes → Repeat. Everyday using my own tool simply feels way too good now.
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15 Jul 2025
going into fourth year med school - and holy moly dogfooding our own ai learning tool and realised how damn powerful our own tool is 🤯 building products in med school -> study -> dogfooding our own product in med school -> repeat -> mrr go brr memo[.]cards
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14 Jul 2025
for those hk folks 🇭🇰: Tune in at 9:30pm tonight (14 July!) at RTHK 31 channel! We will be talking about startups, medical school, entrepreneurship, AI and tech!
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12 Jul 2025
met and spoke with a bunch of next generation of builders at @cursor_ai event Hong Kong 🇭🇰! bunch of inspirational young people - the next generation is absolutely cooking 🔥
12 Jul 2025
met and spoke about @cursor_ai with some builders - not in SF back in my trenches HONG KONG 🇭🇰
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Jason retweeted
12 Jul 2025
met and spoke about @cursor_ai with some builders - not in SF back in my trenches HONG KONG 🇭🇰
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9 Jul 2025
Update 9 Jul - switched to a different card (as they still kept on hammering our bank) - and IMMEDIATELY they started trying to charge us big amounts at a time 🤦
7 Jul 2025
ah lovely after near 2 months of back and fourth - google’s 1M usd bill got reduced to 790k usd 🤦‍♂️ again none of the “generative units” were used at all and they still would not waive off the bill us 2 medical students still in school building apps on the side @Google @googlecloud
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7 Jul 2025
ah lovely after near 2 months of back and fourth - google’s 1M usd bill got reduced to 790k usd 🤦‍♂️ again none of the “generative units” were used at all and they still would not waive off the bill us 2 medical students still in school building apps on the side @Google @googlecloud
20 Apr 2025
today @googlecloud just gave us a $1 MILLION DOLLAR BILL - like wtf to prevent rate limits to google's api, we had to purchase arbitrary provision units with no indication how much was charged per unit until after 2 days - smh 🤦 i was told by support that because I have not "turned on" their budget alerts which takes a PHD to figure out how to and don't even get me started on their UI and 200 clicks to access how we were billed and how much usage we are using on their gemini api and now I am getting blamed by the support agent for not reading the documentation.
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7 Jul 2025
Update we got rejected and denied the refund. Here is our official response back: I am writing to express our profound disappointment and frustration with Google Cloud's handling of this case, which has now caused nearly 2 months of emotional stress and financial uncertainty for two medical students. CRITICAL ISSUE: BREACH OF ORIGINAL AGREEMENT Your response directly contradicts the original agreement made by one of your team members who initially agreed to waive this bill. This blatant miscommunication and reversal of commitment is completely unacceptable and has led to months of unnecessary stress and uncertainty. EVIDENCE OF MISLEADING PRODUCT DESIGN I have attached our current billing statements from our new account (hi@memo.cards) which clearly demonstrate our actual usage patterns: • June 2025: HK$3,531.53 (~$452 USD) • May 2025: HK$387.35 (~$50 USD) This represents our genuine production traffic with the same applications and user base. The astronomical difference between these normal charges and the 6.2 million HKD bill is undeniable proof of your product design failures. ROOT CAUSE: RATE LIMITING LED TO MISLEADING GSU PROVISIONING The catastrophic bill was caused by a cascade of your platform's limitations: 1. Your Gemini API rate limited our legitimate usage 2. This led us to increase "Generative Scaled Units" (GSU) to maintain service 3. Your misleading provisioning calculator failed to accurately estimate costs 4. Result: Astronomical charges for capacity that was never actually utilized SYSTEM RECORDS ARE MISLEADING Your claim that "system records show usage for which charges were incurred" is technically incorrect. The charges were for provisioned capacity, not actual generative unit consumption. This is a fundamental distinction that your billing team seems to misunderstand. FINANCIAL AND EMOTIONAL IMPACT This situation has caused: • Nearly 2 months of emotional distress for two 22-year-old medical students • Disruption to our production services affecting our users • Financial impossibility - the bill exceeds 10x our combined net worth • Breach of trust due to your team's initial agreement being reversed OUR POSITION We categorically refuse to accept responsibility for charges that resulted from: 1. Your product's misleading design 2. Your API's rate limiting forcing us to overprovision 3. Your billing calculator's complete failure to provide accurate estimates 4. Your team's breach of the original agreement FINAL DEMAND We demand: 1. Complete waiver of the outstanding balance as originally agreed 2. Immediate escalation to senior management 3. Refund of any amounts charged to our debit card 4. Written acknowledgment of the product design issues that caused this situation This is not a matter of unwillingness to pay legitimate charges - this is a matter of your product's fundamental design flaws creating impossible financial burdens for student developers. If Google Cloud cannot honor its original agreement and resolve this matter fairly, we will be forced to escalate this through appropriate channels, including regulatory bodies and public forums. We expect an immediate response from senior management, not another template response about "policy limitations." Attached: Current billing statements showing our actual usage patterns (HK$3,531.53 and HK$387.35 per month) Regards, Jason Co-founder of Memo XonLabs Limited hi@xon.so Case Reference: 58997331 New Account: hi@memo.cards
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