The Big Five of Commercial Media
After a number of mergers and acquisitions five powerful media conglomerates lead the world's content production and distribution. They operate on an international basis with subsidiaries all around the globe and engage in every imaginable kind of media industry.
Table: The World's Leading Media Companies
Media Company
| 1998 Revenues
(in US$)
| Property/Corporate Information
|  AOL Time Warner (US)
| 26,838.000.000*
| http://www.timewarner.com/corp/about/timewarnerinc/corporate/index.html
| Disney (US)
| 22,976.000.000
| http://www.disney.com
| Bertelsmann (GER)
| 16,389.000.000
| http://www.bertelsmann.com/facts/report/report.cfm
|  News Corporation (AUS)
| 12,841.000.000
| http://www.newscorp.com/public/cor/cor_m.htm
| Viacom (US)
| 12,100.000.000
| http://www.viacom.com/global.tin
| |
(* Revenues of Time Warner only (merger with AOL took place in January 2000)
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Microsoft Network
Microsoft Network is the online service from Microsoft Corporation. Although offering direct access to the Internet, mainly proprietary content for entertainment purposes is offered. Best viewed with Microsoft's Internet Explorer.
http://www.msn.com
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Internet Protocol Number (IP Number)
Every computer using TCP/IP has a 32 bit-Internet address, an IP number. This number consists of a network identifier and of a host identifier. The network identifier is registered at and allocated by a Network Information Center (NIC), the host identifier is allocated by the local network administration.
IP numbers are divided into three classes. Class A is restricted for big-sized organizations, Class B to medium-sized ones as universities, and Class C is dedicated to small networks.
Because of the increasing number of networks worldwide, networks belonging together, as LANs forming a corporate network, are allocated a single IP number.
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