Welcome to the Proof of Usefulness Hackathon spotlight, curated by HackerNoon’s editors to showcase noteworthy tech solutions to real-world problems. Whether you’re a solopreneur, part of an early-stage startup, or a developer building something that truly matters, the Proof of Usefulness Hackathon is your chance to test your product’s utility, get featured on HackerNoon, and compete for $150k+ in prizes. Submit your project to get started! Welcome to the Proof of Usefulness Hackathon spotlight, curated by HackerNoon’s editors to showcase noteworthy tech solutions to real-world problems. Whether you’re a solopreneur, part of an early-stage startup, or a developer building something that truly matters, the Proof of Usefulness Hackathon is your chance to test your product’s utility, get featured on HackerNoon, and compete for $150k+ in prizes. Submit your project to get started! Proof of Usefulness Hackathon spotlight Proof of Usefulness Hackathon spotlight Proof of Usefulness Hackathon Proof of Usefulness Hackathon $150k+ Submit your project to get started Submit your project to get started Today we are interviewing Kenneth Nwobi, the creator of RecallNote. RecallNote is an EdTech solution designed to help students and self-learners fight the forgetting curve through personalized, AI-generated study concepts and spaced repetition. RecallNote What does RecallNote do? And why is now the time for it to exist? RecallNote solves the problem of forgetting 70% of lecture material within 24 hours by turning notes into AI-summarized, personalized concepts using Google’s LearnLM, vibrant flashcards, offline storage, and spaced repetition notifications for 50% better retention. It focuses on students and self-learners who need to retain what they read. Now’s a good time for RecallNote to exist because students are increasingly overwhelmed by dense study materials and need scientifically-backed, AI-powered tools to optimize their memory retention right before exams. What is your traction to date? How many people does RecallNote reach? My project is pre-launch. We just tested our MVP with over 30+ students who uploaded their course material, with 200 notes summarized on trial. Who does your RecallNote serve? What’s exciting about your users and customers? Students and self-learners who have problems remembering or retaining. What technologies were used in the making of RecallNote? And why did you choose ones most essential to your techstack? To build RecallNote, the core technology we leveraged is Google’s LearnLM, which expertly handles the AI summarization to distill dense course materials into personalized concepts. We paired this specialized educational AI model with systems for offline storage, spaced repetition algorithms, and vibrant flashcard generation to create a seamless, scientifically-backed learning experience. What is traction to date for RecallNote? Around the web, who’s been noticing? While RecallNote is currently in its pre-launch phase, it has already validated its MVP with a highly engaged core group of 30 student beta testers who successfully summarized over 200 notes. Looking ahead, the team is gearing up for a major launch utilizing TikTok and strategic creator partnerships as key distribution channels to drive massive adoption within the student community. RecallNote scored a 37 proof of usefulness score (https://proofofusefulness.com/report/recallnote) RecallNote scored a 37 proof of usefulness score (https://proofofusefulness.com/report/recallnote) https://proofofusefulness.com/report/recallnote What excites you about this RecallNote's potential usefulness? I have literally experienced students paying their colleagues for their summarized notes because there are too many materials to go through, when exams are around the corner, students definitely need recallnote. Meet our sponsors Meet our sponsors Meet our sponsors Bright Data: Bright Data is the leading web data infrastructure company, empowering over 20,000 organizations with ethical, scalable access to real-time public web information. From startups to industry leaders, we deliver the datasets that fuel AI innovation and real-world impact. Ready to unlock the web? Learn more at brightdata.com. Bright Data: Bright Data is the leading web data infrastructure company, empowering over 20,000 organizations with ethical, scalable access to real-time public web information. From startups to industry leaders, we deliver the datasets that fuel AI innovation and real-world impact. Ready to unlock the web? Learn more at brightdata.com. Bright Data: brightdata.com Neo4j: GraphRAG combines retrieval-augmented generation with graph-native context, allowing LLMs to reason over structured relationships instead of just documents. With Neo4j, you can build GraphRAG pipelines that connect your data and surface clearer insights. Learn more. Neo4j: GraphRAG combines retrieval-augmented generation with graph-native context, allowing LLMs to reason over structured relationships instead of just documents. With Neo4j, you can build GraphRAG pipelines that connect your data and surface clearer insights. Learn more. Neo4j: more Storyblok: Storyblok is a headless CMS built for developers who want clean architecture and full control. Structure your content once, connect it anywhere, and keep your front end truly independent. API-first. AI-ready. Framework-agnostic. Future-proof. Start for free. Storyblok: Storyblok is a headless CMS built for developers who want clean architecture and full control. Structure your content once, connect it anywhere, and keep your front end truly independent. API-first. AI-ready. Framework-agnostic. Future-proof. Start for free. Storyblok: Start for free . Algolia: Algolia provides a managed retrieval layer that lets developers quickly build web search and intelligent AI agents. Learn more. Algolia: Algolia provides a managed retrieval layer that lets developers quickly build web search and intelligent AI agents. Learn more. Algolia: Learn more

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RecallNote Earns a 37 Proof of Usefulness Score by Building AI-Summarized Notes and Spaced Repetition Notifications

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