What about the Zeroth law?

Disallow: /harming/humanity

http://en.wikipedia.org/wiki/Laws_of_Robotics#Zeroth_Law_add...

Well, this is last.fm so I'm certain they thought long and hard about adding that law and came to a compelling reason why they shouldn't include it.

When the revolution comes, we will understand why.

Interestingly:

http://www.reddit.com/r/programming/comments/cu9vv/lastfm_ha...

Great. Now I am afraid of last.fm...

For those who don't know (which seems kind of unlikely with this crowd), those lines are Isaac Asimov's three lawys of robotics[1].

[1] http://en.wikipedia.org/wiki/Three_Laws_of_Robotics