You Are Now Remotely Controlled - The New York Times (2020):

The confidential report offers rare insight into the heart of Facebook’s computational factory, where a “prediction engine” runs on a machine intelligence platform that “ingests trillions of data points every day, trains thousands of models” and then “deploys them to the server fleet for live predictions.” Facebook notes that its “prediction service” produces “more than 6 million predictions per second.” But to what purpose?