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"Failed" social network kill ideas. But "successful" ones trigger new ideas and in the advancement of global knowledge.
E. Duchesne discovered penicillin 31 years earlier than Fleming. He wrote up his findings in a thesis, but because he was unknown & young (only 23 at the time) the French Institut Pasteur didn't acknowledge his work. In those 3 decades, untold millions died of diseases that could have been cured.