Ping (Apple)
La red social musical de Apple fue anunciada como "Facebook meets Twitter meets music" en 2010 — Apple no pudo asegurar la integración de Facebook, los usuarios tenían que buscar amigos por correo electrónico, nadie lo usó, eliminada septiembre 2012
Error fatal: Ping was Apple's music social network built into iTunes — follow artists, share music, see what friends were listening to. Announced September 2010 by Steve Jobs as "Facebook meets Twitter meets music." Apple failed to secure a Facebook integration deal, launching without Facebook's social graph. Users had to manually find friends by email. No one used it. Apple quietly killed Ping in September 2012.