The document discusses how on-demand audio platforms like BBC Sounds need to cater to younger audiences' preferences for choosing what they want to listen to. Younger listeners aged 15-34 are much more likely to use on-demand music services and podcasts than older age groups. Podcasting is an increasingly important part of audio consumption for younger audiences, making up 23% of listening hours and nearly half of all podcast listeners are aged 15-34. On-demand platforms need features that provide choice and control over content, personalized recommendations tailored to individual tastes, and an engaging user experience if they want to attract and retain younger listeners.