Two years ago I bought a Note 3, with the option of 4K video (sold it a few months later in favor of 5s). I remember back then a lot of people didn't get why a smartphone were able to film in 4K resolution. Skip two years ahead, and everyone is praising 4K as one of 6s best features. But what has changed the last few years? I bet 99,99% of you doesn't have an 4K monitor/tv. These, including the 5K iMac, are still so expensive that most people can't afford it. The iPhone 6s doesn't even have a 4K screen, so you can't watch the your movies on your iPhone in full resolution. 4K videos take up TONS of space, and even your 128GB phone will fill up pretty fast. That goes for you cloud storage as well! I feel that the only reason Apple decided to add 4K, was to satisfy the "tech nerds" how's always craving the highest number of whatever spec, careless if they need it or not. In my opinion, the only thing making 4K a smart move from Apple is "future proofing", most likely 4K will be the main resolution in screens in a few years. But then we also need more storage space in our phones and our clouds. Is anyone here buying the 6s and keeping 4K on? If so, why?