> Most of the time, if I'm wearing headphones, it's so as to not disturb others around me. Otherwise I'd play it out loud. Maybe that's the key to its network

> Most of the time, if I'm wearing headphones, it's so as to not disturb others around me. Otherwise I'd play it out loud. Maybe that's the key to its network effect as a platform. If you don't want to hear everyone talking to themselves in the library, you'll need noise canceling headphones too.