His inauguration ceremony was attended by many notable figures, including former presidents and CEOs of major corporations like Elon Musk, Sundar Pichai, Jeff Bezos and Mark Zuckerberg, among others.

“There are rumors that Elon Musk has again challenged Mark Zuckerberg for a fight,” joked an X user and shared the photo. “For Elon Musk and Sundar Pichai, phone is way more important than President Trump,” commented another. A third joked, “These kids and their damn phones.”

The swearing-in ceremony in Washington, moved indoors due to glacial temperatures, is being attended by former presidents, foreign dignitaries, tech and business executives, and an assortment of performers and celebrities.