Currently we maintain ETRIA Discussion Forum as a LinkedIn group. You do not need to be a member of ETRIA to join the group but you have to be a member of LinkedIn. It is easy to join LinkedIn and it is free.
The ETRIA group at LinkedIn is a closed group so its content is not visible to non-members of the group.
Join our group by following this link: http://www.linkedin.com/groups?gid=4311548