Stacey wonders why the thumbnails in her Netflix account look so different to her partner's - even for the same film, Good Will Hunting. This sets Ant on his own hunting for an answer, and has him pulling back the curtain on Netflix's not-so-secret sauce: data. Dig into the psychology behind why certain images make you click, the science and maths of the algorithms driving your next binge, and the sometimes eerie feeling that Netflix knows you better than you do.