4 ms·

Well, some might be cranks and also be successful. ;-)

• krapp 13y ago
  (cough Nikola Tesla cough)
  • lifeisstillgood 13y ago
    That just gives you a Venn diagram with three circles Cranks, futurists and genius. The union there is exactly one
    • zikzikzik 13y ago
      Do you mean intersection?