The Google Additional Services (Non-Core) are those outside the Google at U-M Core Services. The Non-Core services are not covered by the university's Google Apps for Education agreement with Google. The Non-Core services include Google+, Blogger, Picasa, and YouTube, among many others. Google extensions and add-ons are also Non-Core. Any Google service not specifically identified in the Google at U-M List of Services as a Core service is considered Non-Core.
Google Additional (Non-Core) Services may not be used to share or maintain any of the university’s sensitive data because these services are not covered by the university’s Google Apps for Education agreement.