I needed a quick way to cache some data for a feature I’m currently working on. The scenario is that the user should be able to type ahead and be presented with a list of matching options (AJAX auto complete). This data is coming from an external web service and is exposed via the core API of the application which in turn is exposed over WCF. So for AJAX to be able to get to this data it must talk to the WCF service, but this is not directly possible since cross site scripting is not allowed in the...