Trump is being watched on by international leaders, former presidents and tech moguls including Mark Zuckerberg ... on the poignant moment Joe and Jill Biden watched Trump make his return.

Joe Biden's appearance at the inauguration suggested ... Also in attendance was a host of business executives, including Mark Zuckerberg, Jeff Bezos, Apple CEO Tim Cook and media tycoon Rupert ...

He alluded to recent reports of billionaire advisers Musk and Zuckerberg meeting with Trump ... a “historic vice president.” His wife, Jill Biden, showed a warm gesture by holding Harris ...