8. A system including at least one processor and at least one computer readable memory, said computer readable memory having stored thereon program code for automatic association of tags with received content items based on type of communication and content state in an activities oriented collaboration tool, said program code comprising: program code for receiving content items from a plurality of content sources at said activities oriented collaboration tool; program code for automatically associating content type tags with corresponding ones of said received content items, wherein each of said content type tags indicates a content source from which a corresponding one of said received content items was received, and further indicates a current state of said corresponding one of said received content items; program code for providing a top level content type tags view, wherein said top level content type tags view includes a list of content type tags automatically associated with received content items across all activities defined in said activities oriented collaboration tool, wherein said top level content type tags view enables a user to select individual content type tags from said list of content type tags automatically associated with received content items across all said activities defined in said activities oriented collaboration tool; and program for displaying, responsive to said user selecting one of said content type tags in said list of content type tags automatically associated with received content items across all activities defined in said activities oriented collaboration tool, a list of those activities defined in said activities oriented collaboration tool that contain at least one received content item with which said user selected content type tag was previously automatically associated.
8. A system including at least one processor and at least one computer readable memory, said computer readable memory having stored thereon program code for automatic association of tags with received content items based on type of communication and content state in an activities oriented collaboration tool, said program code comprising: program code for receiving content items from a plurality of content sources at said activities oriented collaboration tool; program code for automatically associating content type tags with corresponding ones of said received content items, wherein each of said content type tags indicates a content source from which a corresponding one of said received content items was received, and further indicates a current state of said corresponding one of said received content items; program code for providing a top level content type tags view, wherein said top level content type tags view includes a list of content type tags automatically associated with received content items across all activities defined in said activities oriented collaboration tool, wherein said top level content type tags view enables a user to select individual content type tags from said list of content type tags automatically associated with received content items across all said activities defined in said activities oriented collaboration tool; and program for displaying, responsive to said user selecting one of said content type tags in said list of content type tags automatically associated with received content items across all activities defined in said activities oriented collaboration tool, a list of those activities defined in said activities oriented collaboration tool that contain at least one received content item with which said user selected content type tag was previously automatically associated. 9. The system of claim 8 , said program code further comprising: wherein said top level content type tags view additionally includes a separate list of user defined content type tags associated with received content items by said user.