Robot security dogs have been spotted at Mar-A-Lago, the Florida home of US president-elect Donald Trump. Who are behind them, and what security services do they offer? Also on the programme, we hear about one phone company’s plan to waste phone scammers’ time. And the startup using AI to provide loans to people without a credit history.

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Presenter: Zoe Kleinman
Producer: Imran Rahman-Jones
Editor: Monica Soriano

(Image: A picture of a Boston Dynamics dog, “Spot”. Credit: Reuters.)