History: Profiles 19

	Publishing	Closed community	Open community
How to add users?	Only by the admin	Only by the admin	Self-registration
Communication	few to many	Many to many	Many to many
Wiki	Yes	Yes	Yes
Forum	No	Yes	Yes
Blog	Yes	Yes	Yes
User profiles	No	Yes	Yes

Publishing / brochureware

If there is user-generated content (UGC) (like comments, it's clear what is official vs user-contributed

Options

• e-commerce

Closed community

Intranet, team collaboration, users do not register
With one public section

Open community

Registration, collaboration: many to many
User profiles, collaboration, users register
spam protection

Behind the firewall