1.   And the newest push software lets users convert any Web site into a push channel.

2.   But even though push software is generally given away, the user must still pay a price.

3.   In fact, some businesses have banned push software, after their data networks were jammed by hundreds of computers downloading Web pages all day.

4.   Major software makers like Netscape Communications Corp. and Microsoft Corp., desperate to catch the wave, built push software into their Internet browsers.

5.   Millions of Internet users have downloaded free copies of push software.

6.   Most push software is free to users.

7.   Netscape will include the push software in the next test version of its browser, code-named Communicator, which is due out within a month.