From Zhiyu Liu:
BaiBoard lets Salesforce uses to collaborate with colleagues via:1. Zoomable multi-page whiteboard.2. Collaborative annotation on PDF docs.3. Screen Sharing from iPad to web browser.FEATURE:* Collaborative, with easy-to-use drawing interface.* Collaboratively Sign & Annotate Documents in real-time.* Import & Share documents from Dropbox, GDocs, Email, iTunes and Evernote.* Facebook integration for easy collaboration with friends. * Cloud services for collaborating, sharing, storing, viewing with both drawing and chat.* A variety of drawing tools and built-in stencils.* Instant snapshots, storing and retrieval any stage of your drawing, all on-demand.* Push to Talk.* Publish and share your ongoing or previous BaiBoard sessions via Email, Facebook, Twitter, Evernote and Tumblr. * View Canvas and PDF from any computer or device on same network using web browser.* All data (diagrams, chat history, voice, snapshots) of meeting session are persistently stored. Your meetings can be stopped and restarted at any time.* SSL connectivities, Password protected, Encrypted storage.* No registration, No sign-up required.* Collaborate with the BaiBoard Mac version.