A staggering 1.3 million reviews submitted to Tripadvisor last year were fake, which is estimated to be costing global travellers $152 billion.

Michael Canning from travel site Exceptional Alien is now exposing the scourge of online fake travel reviews.

He told Julie-anne Sprague on 6PR’s Afternoons fake reviewers have become harder to spot, especially with the rise of artificial intelligence.

Press PLAY to hear the full details