When I first started developing for the iPhone (back when they first released the official SDKs) Apple were really hot on their Human Interface Guidelines and h

When I first started developing for the iPhone (back when they first released the official SDKs) Apple were really hot on their Human Interface Guidelines and had really good documentation on what made a good UI along with standard patterns to follow. That seemed to completely vanish when they went with the "flat" design - mainly I think because none of it made sense anymore. They went from very clear: - make sure the user interaction is obvious to - this might be clickable, or it might be some text or maybe it's a long press...