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It's actually kind of weird that he hasn't mentioned redesigning Xitter as a blockchain based app. He must surely be aware that decentralized social media exists, considering what else he knows about the blockchain space.

absolutely he should already know and if he does he probably also knows if he doesn't make moves soon that space will overshadow X and anything Web 2

oh wow I'll check it out then

I hope he follows it though And make X decentralized