Apple releases full episode of 'Silo' on Twitter.

Apple has uploaded the entire first episode of its science fiction TV series, Silo, on Twitter for free ahead of the season finale. The show is based on the novel Wool by Hugh Howey and explores themes of truth and information as power. The series stars Rebecca Ferguson, Rashida Jones, David Oyelowo, Common, Tim Robbins and Harriet Walter. The move follows Twitter's decision to allow longer video uploads for subscribers.