Facebook Accused Of Dirty Tactics

The social giant used a PR company to discredit its critics and downplay its problems. Plus, a controversial app for hospital doctors created by artificial intelligence firm DeepMind will be taken over by Google, leading critics to say the company has broken its promises over health data. And, as part of the BBC's "Beyond Fake News" week, we visit a school to hear how children may be more savvy than their parents in spotting online falsehoods. Presented by Rory Cellan-Jones, with BBC tech reporter Jane Wakefield, and special guest Madhumita Murgia from the Financial Times.

(Image: A protest against Facebook's handling of "fake news" featuring cardboard cutouts of CEO Mark Zuckerberg on the lawn of the US Capitol building, Credit:Tom Williams/ CQ Roll Call/ Getty Images).