Spotify was catalogued by the UXP2 Lab over its private listening mode. According to the entry, the private mode is opt-in, but it does not persist: the user is required to re-enable it every six hours.
‹ All examples Spotify
Spotify: Private Mode Temporary.
“Spotify offers an opt-in private mode, but requires the user to re-up every 6 hours.”
Disclaimer: examples in the Hall of Shame are generally drawn from public submissions and cited sources; they have not been independently verified and may contain inaccuracies. They are presented as illustrations of design patterns, not findings of fact, unlawful conduct, or intent.