The new/old mission of the CBS Ministry of Truth:

Controlling information: Overseeing news, education, entertainment, and the arts to ensure they conform to the party line

Rewriting history: "Rectifying" historical records to match Big Brother's pronouncements

Destroying evidence: Eliminating any proof that contradicts the party

Creating Newspeak: Constructing a new language to reduce people's ability to think

Producing propaganda: Creating educational and entertainment materials that promote the party's agenda