The Guardian: PricewaterhouseCoopers, the accountancy firm that has overseen the counting of the Oscars ballots for 83 years, has apologised for the most spectacular blunder in the history of the starry ceremony – when the award for best film was mistakenly presented to La La Land instead of the actual winner Moonlight.
Full story: https://www.theguardian.com/film/2017/feb/27/pricewaterhousecoopers-issues-sincere-apology-for-oscars-blunder