- team spaces, communities, collaboration spaces
- separate intranet sub-sites
- social platforms, such as a wall or feed, that are technically not part of the intranet although employees may perceive them as such 
- enterprise applications and third-party applications that are linked to from the internet

University of Michigan - Ann Arbor

Content in a silo, is content that is difficult to discover because it is "walled-off" and hard to find. This can happen if the information is:
- not accessible via the search function
- absent from the global navigation and sub-navigation
- hidden based on user's role, due to personalization
- protected by a login wall

Implications: Silos make it more difficult for employees to find the right tools and updated content they need. Employees can feel alienated and disrespected if their level of access is different (lower) than that of other colleagues. Silos can waste the user's time, and lead to low job satisfaction.

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