Exversion is hoping the need to access wide-ranging open datasets has matured enough to create a viable business as an open data marketplace. Their new Exversion API provides developers with a RESTful interface to search and access the open datasets stored on the Exversion data platform. At present, the API returns queries in JSON or XML format, with full XML support to be provided in the near future.
Take a look at MapCruncher. A very interesting new map mashup technique from the folks at Microsoft Research. It basically allows you to overlay any digital map image on top of a normal, zoomable Virtual Earth map.
The general reaction to Apple's release of the iOS 6 Maps application has been disappointment. Let's face it, it just doesn't work well and steadfast Apple users have valid reason to complain; it's sent users to the wrong places, listed buildings that no longer exist and simply doesn't display the kind of data that Google Maps does. But frustrations aside, it seems there are other things to consider and there may be some huge potential on the rise for the future of iOS 6 Maps.