Online marketplaces are being flooded with bogus reviews. Is the whole model of ecommerce under threat? Rebecca Kesby speaks to Neena Bhati from UK consumer group Which? about the ways unscrupulous sellers are generating fake reviews to boost sales of their products, and Amazon seller Janson Smith tells us the impact fake reviews can have on legitimate small businesses that depend on Amazon for their sales. Saoud Khalifah, CEO of FakeSpot, decribes the scale of the bogus reviews problem, and the threat it poses to the integrity of the ecommerce model.

(Picture: Graphic of a five-star review, Credit: Getty Images)