Social Influencers Face Scrutiny

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They are the darlings of the marketing industry - YouTubers and Instagrammers paid by brands to promote their products online. But as these "social media influencers" come under pressure from British competition authorities over how honest they are with their audiences, are they set to fall out of favour? Plus, will limiting the forwarding of WhatsApp messages tackle the spread of lies and propaganda on the platform. And, we try out a physical coding system that aims to help blind children learn to program. Presented by Rory Cellan-Jones, with BBC tech reporter Chris Foxx, and special guest Lara O'Reilly, media and marketing reporter at the Wall Street Journal. (Photo: A young woman making a video demonstrating cosmetics. Credit: Getty Images)