>*If you study a lot of history, you start to notice that old ideas are bad unti... | Hacker News

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coldtea on Jan 19, 2021 | parent | context | favorite | on: I wasted $40k on a fantastic startup idea

>If you study a lot of history, you start to notice that old ideas are bad until they’re suddenly very good.

Also the opposite: dumb ideas are tried again and again to no avail ever.

a1o on Jan 19, 2021 [–]

Adding as example of dumb ideas, people constantly trying to patent perpetual motion machines.

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