1.   A number of firms understand this, and are offering e-mail-based push services.

2.   Corporations are also concerned about the high level of network traffic generated by push services.

3.   Expectations for growth in consumer demand for push services have also dropped since the technology was introduced last year.

4.   Netscape will use the system to extend its InBox Direct push service, which features content from USA Today, The New York Times and many others.

5.   The Moviefone e-mail ads, also to be announced Monday, are an example of a push service, or customized direct marketing, on the Internet.

6.   It will feature new push services for centralised client updates and graphical planning, and administrative tools.