Three years later, we got a similar rush from "The Blair Witch Project, " the fake-documentary horror flick that swept through Sundance like a virus.

CNN: Redford and me: Confessions of a Sundance stargazer

He spoke on the same day that CBS announced he will deliver at on-air apology Sunday for a "60 Minutes" report on drug trafficking that was based on a documentary uncovered as fake.

CNN: Showbuzz

The term was popularized by Nev Schulman who, after falling in love with a fake personality on Facebook, decided to make a documentary about his experiences and later signed on to host a show about the phenomenon on MTV.

FORBES: Host of MTV's Catfish Talks Manti Te'o, Digital Trickery