In the management tab of the group, you can manage group activities. This includes: creating subgroups, appointing moderators/managers, and removing, block & delete contributions from members. You can also learn when members joined the group.
By clicking on the group News tab, you can select news articles to share with group members. You can also add news feeds to the site by selecting the Manage news feeds option. Once there, paste in a website/RSS URL.
You can post job information for others in your group to be aware of. By selecting the Post a job option, you can type in the job title and enter a description of the position. Add in website information also so that people can read the full job description themselves.