I live in a large city and I still don't always have wifi. I have wifi at my home, obviously, but not on my daily commute, not at most grocery stores, not when

I live in a large city and I still don't always have wifi. I have wifi at my home, obviously, but not on my daily commute, not at most grocery stores, not when I'm out hiking in a park. During those times something like this would just be sucking up my limited lte bandwidth. Heck I'm sure most people still experience losing their cell signal when in the guts of a large building. If I really need more space an SD card seems like a much better option.