Tesla CEO Elon Musk is “seriously thinking” about building a new social media platform, the billionaire revealed in a tweet. Musk was responding to a user’s question about whether he would consider building a social media platform with an open source algorithm that prioritizes free speech, and where propaganda is minimal.Tesla CEO Elon Musk is “seriously thinking” about building a new social media platform, the billionaire revealed in a tweet. Musk was responding to a user’s question about whether he would consider building a social media platform with an open source algorithm that prioritizes free speech, and where propaganda is minimal.