I started a new SharePoint 2010 project several weeks ago and one of our first assignments was to create a quick demo to highlight some of the new 2010 functionality. In our discussions about 2010, my Sogeti colleague mentioned that far and away his favorite new 2010 feature was the Excel REST API. I wasn’t that familiar with it, so I offered to set up that part of the demo. I have a SharePoint 2010 server running in a virtual machine, with Excel Services already configured. Please note: if you are ......