Application Design

Jakob Nielsen's post: Top Ten Design Mistakes came to my attention. A good read. His fairly well known previous article summarizes: " ... To design an easy-to-use interface, pay attention to what users do, not what they say. Self-reported claims are unreliable, as are user speculations about future behavior ... ". I just got an IPhone and am now using it as my primary phone. Although it has a very interesting interface, there are a number of inconsistencies in how you do things. Have now only used it for a few days, and am still learning.