31.   The next frontier?

32.   The oceans were the next frontier and at UCLA I had the opportunity to work in an underwater research laboratory.

33.   The next frontier, according to many experts, is shopping on computer networks.

34.   The next frontier is on-line product development and integration of financial and purchasing systems.

35.   The next frontier, company gurus say, is computer security.

36.   The next fee frontier will probably be debit transactions, says Edmund Mierzwinski, consumer program director at U.S. PIRG and co-author of the study.

37.   The next frontier is virtual visitation.

38.   Theories about urban neighborhoods as the next retailing frontier are all very well.

39.   They were kindred spirits for Hewitson, who recalled the ease with which his new friends talked about trekking to the North Pole or their next frontier.

40.   To its proponents, it is the next unsung academic frontier.