4 ms·Ask HN: Good ideas that died too soon?3 points by nhgiang 4y agopestatije 4y ago¿?pulvinar 4y ago¿Eso está muerto? ¡Di que no es así!nivertech 4y agoConstructed international lingua francas like Esperanto, Ido, Interlingua, etc. https://en.wikipedia.org/wiki/List_of_constructed_languages https://en.wikipedia.org/wiki/List_of_constructed_languages