Note: smartphone users who listen to music or other audio content (e.g., podcasts) via digital stream or direct download on a smartphone at least once per month; excludes sideloaded audio, ringtones, and ringback tones
Additional Note: Digital audio includes radio stations with professional or amateur DJs/editors selecting playlists; automated playlists (i.e., without human DJs/editors); streamed services that create playlists based on user preferences of artists, tracks, or genres; personally configured playlists (i.e., set by the listener); music or other audio content delivered within a website or app (e.g., in-game music services); and audio podcasts (streamed or downloaded). Other downloaded audio files (e.g., music MP3s) and digital terrestrial and satellite radio services that are delivered over the air are excluded. Smartphones are any voice handset with an advanced operating system (e.g., Android, BlackBerry, iOS, Windows Phone, etc.) and features/capabilities that resemble a PC.