Meta CEO Mark Zuckerberg released a cover of the hit song "Get Low" with T-Pain as a tribute to his wife. Elon Musk joined Trump on Capitol Hill for a meeting with Republicans—and the president-elect used the opportunity to ridicule the richest man in the world.

Meta and Facebook founder Mark Zuckerberg has made romantic gestures before for his wife and Chan Zuckerberg Initiative partner Priscilla Chan. He made her a sleep box to help her get rest and erected a statue of her.

After having teased the collaboration in recent days, Mr. Zuckerberg shared an Instagram post that starts with a photo of himself and Ms. Chan in their younger years. “‘Get Low’ was playing when I first met Priscilla at a college party, so every year ...