On-line Advertising Revenues

Although Internet advertising only really started in 1994, revenues showed a steady and fast growth. In 1997 US$ 906.5 million were spent on on-line advertising. Compared with advertising revenue for the television industry in equivalent dollars for its third year, the Internet was slightly ahead, at US$ 907 million compared to television's US$ 834 million. 1998 on-line advertising grew by 112 percent to US$ 1.92 billion in revenues, and is on track to hit US$ 4 billion in 1999, which would put Internet advertising at about 2 percent of the U.S. ad market.

Table: Spending on On-Line Advertising by Category

(first quarter 1999)

Category

 Percent
Consumer-related

 27 %
Financial services

 21 %
Computing

 20 %
Retail/mail order

 13 %
New media

 8 %


Table: Types of On-Line Advertising

(first quarter 1999)

Type of Advertising

 Percent
Banners

 58 %
Sponsorships

 29 %
Interstitials

 6 %
E-mail

 1 %
Others

 6 %


Source: Internet Advertising Bureau (IAB).

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Timeline of Communication Systems: Introduction

The timeline of communication systems presents a chronological overview of the most important events in the history of communication systems from the 4th millennium B.C. to the present.

It shows that from the very beginning - the first Sumerian pictographs on clay tablets to today's state-of-the-art technologies - broadband communication via fiber-optic cables and satellites - the amount of information collected, processed and stored, the capabilities to do so, as well as the capable speed of information transmission exponentially accelerate.

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