Evan Vucci/AP Photo
- Joe Biden has finally withdrawn from the presidential race.
- He let the world know with a blindsiding post that was on X first.
- The move has revived Elon Musk's ambitions to make X the world's digital town square.
Elon Musk might be a full-blown Donald Trump crusader now, but that still didn't stop Joe Biden from turning to the billionaire's social media platform to make one of the biggest announcements in his career.