Wikipedia Superman entry not definitive?
Surely not.
I thought Wikipedia was now the definitive repository of all knowledge in the world. According to the relentless, unquestioning media puffery that goes on elsewhere, it would seem to have supplanted Brittanica some time ago. Brittanica fails by being peer reviewed by experts in their field, of course, whereas Wikipedians are free to invent their own reality.
Or perhaps the kryptonite at the heart of the Hivemind IS real ... in a metaphorical way ...