Deepfake videos can make for a lot of fun … someone’s face on someone else’s body saying something completely out of context — like Bill Hader doing an impression of Tom Cruise with Cruise’s face superimposed. But the implications of this technology are serious, from disinformation to political upheaval. Here to walk us through it is Berkeley School of Information professor Hany Farid. Plus, professional dogsledder Blair Braverman answers the Make Me Smart question.