Dunno if this was posted, but it's a cool story bro.
A large-scale scan of the top million web sites (per Alexa traffic data) was performed in early 2010 using the Nmap Security Scanner and its scripting engine.

Everything:
http://nmap.org/favicon/alexa-1.2-small.jpg

And:
http://nmap.org/favicon/?q=esreality.com in the middle