They have been known for their deals with companies such as Microsoft and McAfee. However, the user requires at least two different computers to publish your own channel which may be cost prohibitive. Diffusion is one the most complex of the push products, but it is also has several components for the publisher. IntraExpress is one of the few push products that offers a wide range of delivery options for example, content can arrive as e-mail, fax or as pointers to specific HTML pages. Subscribers have the unique option of choosing which method they want to receive their notifications.
Diffusion is one of the more expensive push products on the market.
In order for push to succeed, the technology thought leaders agree that both Microsoft and Netscape need to include the same client software in their browsers. Publishers need a universal way to provide this information to all browsers. The current way of doing things has been compared to needing a different television remote control for each television show one wants to watch. Having a standard in navigation, resource links, and advertising could save users a lot of time and anguish. While both Netscape and Microsoft claim to support standards, neither company is close to reaching consensus as to whose standard will be adopted.