Microsoft COM
   Component Object Model

       What is COM?
       Build software fom parts, not from scratch
      
       v   A framework for creating and using components
              
               ØMakes software easier to write and reuse
Ø                         Provides widest choice in services, tools, languages,  and applications
       Ø            Provides  third party market for off the shelf components
                         Controls, tools, and server components