Hosted by PRWeek editor-in-chief Danny Rogers and author and journalist Richard Gillis, episode four of The Line lifts the lid on the phenomenon that is Arsenal Fan TV and discusses how fan-based influencers in sport are changing the game.Special guest, Arsenal Fan TV founder Robbie Lyall, explains how the YouTube channel – which now boasts more than 350,000 subscribers began and what has made it so popular.Should we be treating it as an equal to ‘traditional media’? And what is the future for the ever-growing market of fan channels?Danny Rogers and Richard Gillis will be mulling over this and much more with Hall on The Line, PRWeek's sport podcast, available for download now.