Facebook: Group vs Page

Link	Group	Page
Type
Audience	Small	Large
Privacy	Can change to be a closed group if wanted	Always open to public
Visibility	Not indexed by search engine. People need to look up on Facebook when signed on	Indexed by search engines and can be embedded anywhere (via the Like button)
Joining	Permission from a group member is needed/ Can be added by members	Anyone can like a Page
Message	Yes, available as group message	Doesn't support this feature
Chat	Yes, available as group chat	Doesn't support this feature
Restriction	Doesn't support this feature	Can choose whether fans are allowed to post on wall
Event	Yes, available	Yes, available
Document	Members can create and collaborate	Doesn't support this feature
Customization	Doesn't support this feature	Can be customized using Facebook Dev tools and third-party services
Application	Doesn't support this feature	Can host applications and make them restricted (fans have to like the page first to see content/application)
Vanity URL	No, but comes with vanity e-mail address	Yes, with minimum of 25 likes
Insight	Doesn't support this feature	Admins can keep track of growth and activities
Notification for new post(s)	Yes, via e-mail (by default)	Yes, on news feed