xspfy pwn3d this.
These XSPF elements are not supported: extension, meta, link.
Send bug reports to lucas@gonze.com.
JSON formatted as JSPF.
Anybody can use this, anytime, however much they want. Caveat emptor -- you get what you pay for.
This is a building block for other hacks. To make ajax apps that consume shareable playlists there has to be a server-hosted gateway that converts the XSPF to JSON in order to get around same-domain restrictions.