Sign up for the TODAY newsletter

You have successfully subscribed to the TODAY newsletter.

Subscribe now and get trending stories, celebrity news and all the best of TODAY.

Professor who harvested Facebook data: It was ‘normal business practice’

Aleksandr Kogan, the professor who harvested the personal information of tens of millions of Facebook users for Cambridge Analytica, talks to TODAY’s Savannah Guthrie from London. “At the time we didn’t think we were doing anything wrong,” he says, calling the data harvesting a “normal business practice.”

Best of TODAY

Play All