Legality of music sharing software: honestly, this scares me a little.
theregister.co.uk/content/6/3143...
The following program is the obvious answer, but I can't seem to get it to do anything useful. (It's not developed enough yet to be super useful even in theory, anyway.) I endorse giving it a try, at your own risk.
freenetproject.org/
While I'm on the subject, it's now law that the internet is filtered at libraries - unless you ask for it. Don't ask me; just read.
theregister.co.uk/content/6/3138...