Large Groups    (01)

• Size: 50-400 people    (02)
• Implementation    (03)
1. Vital announcements    (04)
2. Interesting announcements    (05)
3. Discussion    (06)
4. Sub-groups    (07)

The Pforzheimer House Example    (08)

• 320 students, 10 resident tutors, 5 staff, masters    (09)
• Several subgroups:    (010)
• each class (sophomores, juniors, seniors)    (011)
• tutors    (012)
• various organizations (ie. house committee)    (013)

Implementation    (014)

1. Vital Announcements    (015)
• auto-subscribed list for each class, tutors    (016)
• closed and moderated    (017)
2. Interesting Announcements    (018)
• auto-subscribe everyone in House; explain how to unsubscribe    (019)
• open and moderated    (020)
• announcements automatically posted to newsgroups    (021)
3. Discussion    (022)
• USENET newsgroup    (023)
4. Small subgroups    (024)
• unmoderated, closed mailing lists for discussion    (025)
5. Education    (026)
• periodic notices explaining proper use of resources    (027)