A new book has claimed that Facebook founder Mark Zuckerberg instructs members of his staff to blow-dry his armpits before public appearances.

The claim was made in Facebook: The Inside Story by Steven Levy, and has attracted a lot of attention on social media.

Eoghan Tomás McDermott and Helen Vaughan discussed this story and more in The Week Trending, including the woman who made headlines for playing the violin during surgery to remove a brain tumour, and Jeff Bezos pledging $10 billion of his fortune to fight climate change.

Listen to the interview in full by pressing the play button on this page.