https://tinapark.dev/blog AI engineer and community builder. Building AI apps, hosting VisibleBuilders cowork meetups, and writing about what I learn shipping in public. en-us tinapark.business@gmail.com (Tina Park) tinapark.business@gmail.com (Tina Park) Mon, 23 Feb 2026 00:00:00 GMT https://tinapark.dev/blog/aivalleyfeb-2026 https://tinapark.dev/blog/aivalleyfeb-2026 My second AI Valley hackathon — and the final chapter in their Return of the Agents trilogy. We built SpeakyTalk, a live AI presentation agent that generates and updates slides in real time as you speak. Here is what we shipped, and what I learned about building voice-driven agents under pressure. Mon, 23 Feb 2026 00:00:00 GMT tinapark.business@gmail.com (Tina Park) aihackathonagentsvoice-aibuildinpublic