Apple has won two new patents from the US Patent and Trademark Office, including one for what appears to be a form of digital whiteboard technology. Titled Collaboration system, the patent describes a mix of "large digital surfaces" and styluses, used to collaborate on projects. The styluses capture movements visually or through motion sensing, in some cases allowing people to write on paper, but have the data show up on a digital surface. A device like an iPhone could be used to bridge a pen to a server; in any case, the server would facilitate sharing collaborators' content, whether to a
