The document discusses Snapchat's 'Live Stories', highlighting their evolution from simple photo messaging to a broadcast system capturing diverse user-generated content. It contrasts Snapchat's approach with Twitter's 'Moments', noting how both platforms serve as vehicles for users to escape echo chambers by exposing them to a variety of perspectives. The inclusion of rich media in these platforms aids in providing cultural and geographical insights, allowing users to engage with content beyond their immediate social circles.