部分有用链接在以下列出：

Ad Specification

• a8ww ad specification
• Macromedia Flash Advertising Alliance
• IAB US - Interactive Audience Measurement and Advertising Campaign Reporting and Audit Guidelines

Cyberport Webcam

• Cyberport streaming webcam powered by EarthTV

Merchandise

• a8ww merchandise

Interactive Advertising Bureau and Direct Marketing Associations

• Interactive Advertising Bureau
• Direct Marketing Association - USA
• Direct Marketing Association - UK
• Direct Marketing Association - Australia
• Direct Marketing Association - SG

ISO Country Code Listing

• Country Code List: ISO 3166-1993 (E)

Time Zones

• The World Clock - Time Zones
• The World Clock Meeting Planner

International Direct Dialling Codes

• Country Codes and IDD (International Direct Dialling) prefixes

Currency Converter

• Universal Currency Converter^®

• whatismyipaddress
• Alek Komarnitskyto's IP Look-up (scroll to bottom of page)
• ip2location

Who Is domain look ups

• WhoIsSource
• BetterWhoIs
• WhoIs.net
• InetnicWhoIs

World Factbook

• Online World Factbook