I have a 13" Macbook Air and also an iPad mini that is mostly shared with my family members. But ever since I upgraded my phone from iPhone 4S to iPhone 6, I rarely ever use my Macbook anymore. I'm quite satisfied with watching Youtube vids and browsing the internet with my iPhone's 4.7" screen. I just graduated from college, so I don't really use MS Office that much either. To me, the iPhone is pretty much the single device I need.