I know almost nothing of cameras, but this Apple ad was shot by iPhones, and the scenes are very well done, which means the barriers to film-making are dropping ever more. The advantage, then, will be in the storytelling, not the cool cinematography.
https://www.youtube.com/watch?v=zJahlKPCL9g
https://www.youtube.com/watch?v=zJahlKPCL9g