Odaily News Elon Musk responded to Vitalik’s tweet about “prediction markets and community notes becoming two major social cognitive technologies today” and expressed his agreement. Earlier, Vitalik Buterin wrote on X: “Prediction markets and community notes are becoming the two flagship social cognitive technologies of the 2020s. Seeking truth and democracy, based on open public participation rather than pre-selected elites. I want to see more of this technology.”