A method and apparatus communicates conference information from a host computer system to one or more guest computer systems. The host computer system includes a host application sharing engine (HASE). The HASE posts a unique message to a message queue of a shared application program. The HASE monitors...http://www.google.com.mx/patents/US6173315?utm_source=gb-gplus-sharePatent US6173315 - Using shared data to automatically communicate conference status information within a computer conference
