"Build sticky switching costs from accumulated personal data Although every major music streaming platform offers nearly identical song catalogs, Spotify retains users through years of accumulated playlists, listening history, and personalized recommendations. The speaker observes that 'I've spent so many years building playlists that reflect all these different periods of my life' and that even though technically transferable, this creates 'a soft switching cost' that keeps users from leaving. Any product builder should deliberately design features that accumulate personal history over time, because that data becomes a moat competitors cannot replicate. Source: Sean & Daniel, Intrinsic Value Podcast, Spotify Deep Dive"