Very excited to read Ben Parr's article on Mashable today:
Prezi Meeting Brings Collaboration to Web-based Presentations.
Like Google docs, real-time collaboration is now possible on the the Prezi platform. Once collaborators have been invited to work on a presentation, team members can update different parts of the project — pictures, text, images, videos, etc. — while watching collaborators add their own content to the presentation. Each participant is allowed a cute avatar while editing.