“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.

Advocacy groups have targeted Elon Musk's Department of Government Efficiency in lawsuits for allegedly violating transparency rules to advise Trump.