$ ping – social-playlist
ping: invalid option – '-social-playlist'
Usage: ping [-LRUbdfnqrvVaAD] [-c count] [-i interval] [-w deadline] [-p pattern] [-s packetsize] [-t ttl] [-I interface or address] [-M mtu discovery hint] [-m mark] [-S sndbuf] [ -T timestamp option ] [ -Q tos ] [hop1 ...] destination
Hmm, maybe I should check for an update.

Ping now lets users create "social playlists" of songs available on iTunes that can be shared with your followers.