It is relatively clear what a portal can be but why should an organization consider one?
Portals, serve as a core sites that mediate in various ways between users, and the vast range of information that is out there in hyperspace
It provides a place allow people to interact with others, applications, processes, documents and other content in a personalized and role-based fashion
OPM provides needed functionality, but requires you to input the way that it needs to work in your organization.
Portal allows customizing of your work environment to your own needs, present resources in a consistent fashion, and can provide a personalized experience based upon your previous preferences or specific role within an organization