Elon Musk, who will be leading the newly-formed 'Department of Government Efficiency' (DOGE) under US President-elect Donald Trump's tenure, reacted to DOGE's first post on X. "Working overtime to ensure your tax dollars will be spent wisely," DOGE posted on X, to which Musk responded, "It begins." Earlier, Trump said DOGE will "slash excess regulations" and "cut wasteful expenditures".