Invitations?
As a means to keep the community tight, control growth, and prevent abuse, joining LiveJournal now requires either buying an account or getting invited by an existing user. The point of this is to make LiveJournal a better place for the people that use it, at the added cost of a little inconvenience for new users.

How does it work?
Depending on a number of factors, existing users are allowed to invite a certain number of other users to join the site. To invite somebody you need to generate an invitation code and then give it to them.

Login first
To access or generate invitation codes you must first login.