This paper summarizes our experiences of groupware application development based on the new CORBA technology. We designed and developed a system that implements the metaphor of circulation folders on computer systems. Like its real-world counterpart, an electronic circulation folder can contain any kind of object, e. g. documents, annotations, spreadsheets, or graphics. When a user has finished his work with a circulation folder it will automatically be sent to the next user according to an

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... defined control tag. The application is built upon the new Distributed Smalltalk, Version 2.1 of Hewlett-Packard. HPDST is an application framework for building distributed, cooperative applications. It provides a full implementation of the CORBA 1.1. standard and extensions that have been submitted to OMG for CORBA 2.0. Additionally, there are class libraries according to Hewlett-Packard's Distributed Application Architecture (DAA) which particularly simplify the implementation of groupware applications.