LinkedIn has emailed moderators of various groups to expect some changes to LinkedIn Groups which apparently will happen “in a few weeks”.
The biggest changes are the addition of unlisted groups and what LinkedIn describes as “content filtering”. Previously groups themselves could be private, though their existence would show in a search of groups. The content of groups was able to be set as either private or public and viewable only by group members. Under the announced restructuring, it appears that open groups will no longer be offered by LinkedIn. Under content filtering is appears that LinkedIn may begin controlling how frequently certain content appears in your group feed, similar to how Facebook’s edgerank newsfeed algorithm filters posts and controls which friends’ content is seen first.