Top tech billionaires including some who were critics of Trump during his first term flock to his inaugural celebrations.

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.

Donald Trump completed a remarkable return to power and was sworn in as the 47th president of the United States of America. Besides his family, inner circle, political allies, and supporters, the event was also attended by many tech CEOs including Sundar Pichai and Mark Zuckerberg.