Musk was photographed chatting with fellow billionaire Jeff Bezos at a pre-inauguration dinner — but the woman next to him caught even more attention.

Tesla CEO Elon Musk thanked the crowd for helping bring Donald Trump to the White House, but a gesture he made sparked a social media frenzy.

Elon Musk gave what appeared to be Nazi salutes at a rally held at Capitol One Arena on Monday after the inauguration of Donald Trump in Washington, D.C. And whatever Musk’s intention with the salutes, Americans on social media are extremely uncomfortable as they debate what it could mean for the future of the country.