Winston Smith worked for the mini truth. his job was re writing history. Notes would arrive at his desk, he would re-write whatever story was necessary, then all the scraps of paper and any notes were put into the memory hole where they would be carried by warm currents of air to a furnace deep in the center of the building.
You see, Big Brother understood that he who controls the past controls the present. And he who controls the present controls the future. And Oceania was always at war with East Asia.
I hear ya.
Orwell had it right.