Google provides many different applications. HSU makes several available, but is only able to fully support (answer detailed questions about) the core applications. The rest are available to you, but the Technology Help Desk [1] won't be able to answer questions about them.
Links:
[1] http://humboldt.edu/tech-help
[2] http://www.humboldt.edu/its/google
[3] http://www.humboldt.edu/its/google-groups
[4] http://www.humboldt.edu/its/google-apps-sites-blogger