This present tool has most of the functionality of MS Power Point, and the tool is meant for collaboration purposes.  The power is the collaboration concept.  Any changes are updated live, and all collaborator and viewers will see the change within 20 seconds.  The shared documents are always the current document.  These files can be easily converted in to Power Point formats.  In addition, this presentation allows all collaborators and viewers to see a presentation live.  A presenter can highlight  text live, and all user can follow the presentation in a interactive meeting.