Over the past seven years, the use of mobile devices has increased by 220%. Viewers are now using their mobile devices more than ever before, and that number is only set to increase. In light of that increase, it makes sense that vertical video is picking up speed. For instance, when users are scrolling through social media on their phone, it’s easier to keep holding the phone vertically. To view a video shot in landscape format, they have to flip the phone sideways. Viewers are more likely to watch your videos all the way through if they’re properly optimized for