Bluesky is continuing to blow up. The Twitter-like service and alternative to Elon Musk’s X, has now surpassed 16 million users after seeing rapid growth in the days following the U.S. presidential election. While many are leaving X over the service’s increasing right-wing leanings and Musk’s campaigning for Trump, others are unhappy with other changes Musk has made — like how blocks work or how their content on X will be used to train AI.