This page is an entry in the Key.
The elusive solution has become a sort of “Holy Grail”
“The Toughest Problem” of the digital era
“The Toughest Problem” refers to the decades-long quest to answer the most fundamental question of the digital-imaging era:
How do we decide which visual images we can trust now that we can no longer tell anything by looking?
Why the solution to this quest will not involve labeling “fakes”
