I built cheating tool that helps you during interviews. The reaction broke into two very clear camps.

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No middle ground. None. People who hear about it either immediately ask where to download it or immediately tell me why it shouldn't exist. I've had both reactions in the same conversation from the same person depending on which direction they were thinking about it from. The ones who want it are thinking about being the candidate. The ones who think it shouldn't exist are thinking about being the interviewer. Same tool. Same feature. Completely different moral conclusion depending on which chair you imagine yourself sitting in. What I find genuinely interesting is that the interv

五维评分

AI 分析

痛点：求职者在面试/会议中缺乏实时辅助，尤其没有内推或教练资源的人，希望有隐形工具实时听题并给出答案。

目标用户：求职候选人、面试者、需要实时会议辅助的销售或参会人员

证据：People who hear about it either immediately ask where to download it or immediately tell me why it shouldn't exist. ... Marrow hides on your Windows desktop during live situations. Meetings, interviews, calls. Listens. Has answers ready in real time. Nobody sees anything.

变现：订阅制SaaS（如$19-$49/月）或按次付费；可提供免费试用/按面试场次收费。

MVP：Windows透明置顶窗口+系统音频/麦克风采集，调用Whisper/Deepgram转写+GPT-4o生成简短答案，全局快捷键一键隐藏，并用SetWindowDisplayAffinity尽量规避屏幕共享；2周内做单机版验证。注意合规风险。

竞品：Cluely、Final Round AI、Interview Copilot、LockedIn AI、Sensei AI

摘要：作者发布Windows隐形面试辅助工具Marrow，实时听音频并给答案，反应两极：一部分人立刻问下载，一部分认为不应存在。需求信号强，但无明确付费数据，且伦理/平台合规和竞品密集是主要风险。