Scrimba launches HN.watch, turning Hacker News posts into AI explainer videos

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Scrimba, a coding education platform founded by Per Borgen and a YC S20 alumnus, has launched HN.watch, a version of Hacker News where articles are replaced by AI-generated explainer videos. The videos are created on demand the first time a user clicks a link, using Scrimba's new 'Scrimba Explain' tool powered by a large language model. Rather than pixel-based video generation, the platform uses an HTML-based format that keeps costs around $0.04 per video and reduces generation time to just a few seconds. The technology stack is built on Imba, an open-source language developed by Scrimba's CTO, which compiles to JavaScript and integrates with the broader npm ecosystem. Scrimba sees potential use cases ranging from auto-generated explainers for pull requests and documentation pages to personal content like children's stories and wedding invitations.

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