I like this article. Its a matter of current learned affordances (a button is to be pushed, and a lever is to be flipped), visible in skeumorphic design , vs having a brand new swanky flat design with NEW affordances to be learnt (scrub picture to dismiss, tap picture to dismiss). The problem here with flat is that the user has to learn and remember a new interaction, the same feature which may differ from another app. | Your Flat Design is Convenient for Exactly One of Us
