Geotags.org > Geolocation blocking
[Eon Security Blog] A Philippines based online casino that does geolocation blocking on their web application is RUZUZ.XLN (domains are encrypted with the jewjitsu cipher). When accessing their registration page using a Philippines IP address you will be thrown an error saying that people in your jurisdiction are not allowed to register.
Some related posts from Technorati and Google.
[Search Month: Search News In Review] Search Year 2007: Search News, In Review: Yahoo Supports New Robots-Nocontent Tag To Block Indexing Within A Page - For over a decade, search engines have supported standards allowing you to prevent pages from being spidered or included within a search index.
Reflected tags on Technorati: Blog, Geolocation, Geotags.org