Not to mention that a poorly designed GUI can also be frustrating. I couldn't get this working on my ipad when I tried: http://news.ycombinator.com/item?id=280

Not to mention that a poorly designed GUI can also be frustrating. I couldn't get this working on my ipad when I tried: http://news.ycombinator.com/item?id=2809451 http://news.ycombinator.com/item?id=2809451 Nothing was discoverable.