Stephen Curry went on Instagram Live on Thursday to talk about the coronavirus with Dr. Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases. Nearly 50,000 viewers tuned in — including former President Barack Obama, pop star Justin Bieber, rapper Common and former teammates Andre Iguodala and Leandro Barbosa. More will likely watch the archived version. Either way, they will have witnessed something that does not usually match what they see on social media.