The world’s richest person, Elon Musk is making his “best and final” offer to buy all of Twitter for $43 billion, according to a recently updated 13D filing from Thursday. Musk already purchased a majority 9.2 percent stake in the company earlier this month and was set to become a member of its board, but decided to pull out at the last minute. From Tesla, SpaceX to Now Twitter? According to a filing with the U.S. Securities and Exchange Commission (SEC), Tesla and SpaceX Elon Musk has offered to buy the entire Twitter company for $54.2 per share. Musk says he believes that the social media firm has potential but it needs to go private for it to thrive. “I invested in Twitter as I believe in its potential to be the platform for free speech around the globe, and I believe free speech is a societal imperative for a functioning democracy,” Musk wrote in a letter addressed to Twitter Chairman Bret Taylor. “My offer is my best and final offer and if it is not accepted, I would need to reconsider my position as a shareholder,” Musk concluded. According to Bloomberg’s evaluation, Musk’s wealth hovers around $260 billion while Twitter’s market valuation stands at about $37 billion. Earlier this month, Musk surprised everyone by purchasing a majority 9.2 percent stake in the company. Soon after Twitter announced that Musk would be appointed to its board of directors before he reversed those plans. However, it now looks like taking the ...