21.   On-line services let people shop electronically, exchange electronic mail, join group discussions on innumerable subjects, retrieve text and download software.

22.   Phillips took exception to Macfarlane joining his discussion with Reed.

23.   She said the site was designed to encourage discussion board participants to read all the other posts on a particular board before they join the discussion.

24.   Sometimes, the group asks an expert on a particular issue or another prominent businesswoman to join its discussions.

25.   Talks are scheduled to continue Monday, when Jimy Williams will join the discussions.

26.   That spurred Williams to come to the Duke bench to join the discussion.

27.   The chief of staff agreed to talk instead with the Republican House and Senate budget chairmen, but demanded that the Democratic congressional budget leaders join the discussion.

28.   Through a computer and modem, anyone can join the discussion in the Usenet group alt.movies.spielberg.

29.   With strict views on sexuality, clergy members of the Pentecostal, evangelical and fundamentalist branches of Christianity have also hesitated to join the discussion of AIDS.

30.   You can still see it and even join the discussion, if you have a computer and modem and open the Usenet group called alt.culture.usenet.