8. An apparatus comprising: a portal server for hosting multiple associated portlets in a web portal accessible by a user, said portal server configured to allow said associated portlets to message each other; a common Portlet Application Session Object, the Portlet Application Session Object comprising a data store session object stored on a server hardware device and configured to allow each portlet in a portlet application to share session information; the portlet application configured to manage said multiple associated portlets, each portlet configured to access the common Portlet Application Session Object; each associated portlet having a portlet descriptor, the portlet descriptor describing a dynamic context name, the dynamic context name referencing a dynamic context configured to be changed during runtime; said associated portlets comprising collaboration groups of portlets having corresponding dynamic context names defining dynamic context values, the portlets in each collaboration group sharing dynamic context changes through the Portlet Application Session Object; each said group of portlets comprising a master portlet and at least one slave portlet; wherein each said group of portlets share dynamic context names in common; the portal server further configured to broadcast communicating dynamic context changes in dynamic context values of a master portlet to slave portlets of said master portlet; and the portal server further configured to change dynamic context values of said slave portlets to match dynamic context values of said master portlet as broadcast.
8. An apparatus comprising: a portal server for hosting multiple associated portlets in a web portal accessible by a user, said portal server configured to allow said associated portlets to message each other; a common Portlet Application Session Object, the Portlet Application Session Object comprising a data store session object stored on a server hardware device and configured to allow each portlet in a portlet application to share session information; the portlet application configured to manage said multiple associated portlets, each portlet configured to access the common Portlet Application Session Object; each associated portlet having a portlet descriptor, the portlet descriptor describing a dynamic context name, the dynamic context name referencing a dynamic context configured to be changed during runtime; said associated portlets comprising collaboration groups of portlets having corresponding dynamic context names defining dynamic context values, the portlets in each collaboration group sharing dynamic context changes through the Portlet Application Session Object; each said group of portlets comprising a master portlet and at least one slave portlet; wherein each said group of portlets share dynamic context names in common; the portal server further configured to broadcast communicating dynamic context changes in dynamic context values of a master portlet to slave portlets of said master portlet; and the portal server further configured to change dynamic context values of said slave portlets to match dynamic context values of said master portlet as broadcast. 9. The portlet application of claim 8 wherein each portlet in the portlet application comprises an independent portlet session, all independent portlet sessions for the portlet application sharing a Portlet Application Session Object.