I think it depends on your intended audience. If what you’re filming is meant to be viewed on a phone, then vertical makes sense. If the video is meant to be viewed on a TV, movie screen, or computer monitor, then rotate your phone.
I think it depends on your intended audience. If what you’re filming is meant to be viewed on a phone, then vertical makes sense. If the video is meant to be viewed on a TV, movie screen, or computer monitor, then rotate your phone.