Here is an interesting example of what people thought the "Non-Commercial" clause meant in 2007...
http://web.archive.org/web/20070705213116/http://www.audioscrobbler.net/data/microformats/
Here is an interesting example of what people thought the "Non-Commercial" clause meant in 2007...
http://web.archive.org/web/20070705213116/http://www.audioscrobbler.net/data/microformats/