last.fm
El robots.txt de Last.fm es poesía geek pura:

User-Agent: \*
Disallow: /music?
Disallow: /widgets/radio?
Disallow: /show_ads.php

Disallow: /affiliate/
Disallow: /affiliate_redirect.php
Disallow: /affiliate_sendto.php
Disallow: /affiliatelink.php
Disallow: /campaignlink.php
Disallow: /delivery.php

Disallow: /music/+noredirect/

Disallow: /harming/humans
Disallow: /ignoring/human/orders
Disallow: /harm/to/self

Allow: /

¿Qué es robots.txt?

Vía: Boing Boing