Update 2: Looks like it was just a slow rollout. The shopping category is now appearing in iTunes and the iOS App Store – although the big-name shopping apps are still not showing up on the All Categories top chart. Amazon, iBotta, and Target’s Cartwheel, for example, were all in the top 40 overall before the change – and are not found in the top ranks at all right now. ——————- Update 1: While the changes we talk about below are still likely to happen, it seems as though there have been some problems with the transition. As of this…..