21.   He suspects that people who break out in spots after taking ecstasy will develop other symptoms more readily, even if they are not heavy users.

22.   Heavy users are disproportionately poor, unemployed and members of minority groups.

23.   ISPs tend to be cheaper, at least for moderate to heavy users, and faster.

24.   Juno.com has no hard-and-fast limit on usage but discourages heavy users by subjecting them to heavy advertising.

25.   Like Goodwin and fellow heavy user John Kerry, the Dersh even rates his own custom-fitted audio earpiece.

26.   Many are heavy users of medical care.

27.   Many industry experts and AOL customers have praised the new rate plan, which will make AOL less expensive for heavy users of the service.

28.   Neighbors described them both as heavy users of the drug.

29.   Next week, the company begins a policy of discount pricing for heavy users.

30.   Prodigy, the only major on-line service with a graphical browser of World Wide Web, has introduced a new price plan for heavy users.