I've studied deepfakes for more than 25 years. Here's why AI is making it nearly impossible for you to know what's real.

Hany Farid, a digital forensics expert, said AI has become increasingly effective at making realistic clips and photos. Courtesy GetReal Hany Farid started studying digital forensics in 1999 when the field barely existed. Farid said detecting AI has become nearly impossible for ordinary people to identify by sight alone. What scares him most is that people are no longer disagreeing over ideas but over what's real. This as-told-to essay is based on a conversation with Hany Farid, a digital f...