 The first version was released on October 23, 2001, about 8 1⁄2 months after the Macintosh version of iTunes was released.As of May 28, 2019, only the iPod Touch (7th generation) remains in production.2002 SERF

2003 Fermionic condensate

A fermionic condensate is a superfluid phase formed by fermionic particles at low temperatures.