After thinking about the problem for a bit,
《智能涌现》：可能有人觉得AI耳机全天候录像会产生隐私问题，你们在做产品定义的时候如何处理这个潜在的隐患？。新收录的资料对此有专业解读
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Well, it may be tragic, but I think the spinning disc would probably be gone by this point. I’m not an expert on, well, anything really, but I’m really not an expert on analog vacuum tube electronics, but it feels plausible to me that you could produce a longer-lived color phosphor, and a shadow mask technology wherein only one colored electron beam is active for each field. It should still produce a decent picture. (Eventually, you could use an LCD! “JVC LCD CRT” is a fun search term.)