The document discusses various ways that digital technology is disrupting retail businesses. It notes that digital platforms allow for window shopping and same-day delivery, changing customer expectations. Retailers are also disrupting media by hiring top editorial teams and gaining large social media audiences. The biggest challenges for retailers are optimizing their digital footprint to drive conversions, focusing on persuasive design, and building conversations around unique products. Behavioral design, game design, and lean startup principles are key areas companies need to master to adapt to these digital disruptions.