I am trying to sum up the dimensions of regional Internet

Regional = [ timezone | geo-region | language ]

which can be defined in

• browser settings, thus HTTP request headers
• browser components, like toLocaleDateString(), toLocaleTimeString, tolocaleLowerCase(), tolocaleUpperCase(), toLocaleString() in Javascript, and any browser specific or vendor specific scriptable interface.
• cookie
• session
• Flash cookie (aka LocalSharedObject)
• URL (like hl=zh_CN&)
• profile website and product specific profile. Example in Google profile your language is English(US) while your in Google Calendar settings you choose English(UK)
• target website ccTLD
• DNS settings
• third party data provision like oAuth or OpenID
• IP address and other lower-level or higher-level network identifiers, most maliciously, RTT combined with a accurate route table
• (to be added)

This is why making comparison and getting conclusions are hard to be scientific complete and correct.

To protect network neutrality, fuck all kinds of regional Internet.

Viva la Résistance!