You know how when you handhold your camera and try to take a level picture, it’s almost never truly level? Well here’s some technology that could help. It’s from the Horizon app for smartphones, and it forces you to take perfectly horizontal videos. No, it doesn’t shock you into compliance. Rather it simply crops and recomposes utilizing the built-in level, so even if your camera is crooked, your shot isn’t. Not only does this provide perfectly level compositions, it goes so far as to eliminate vertical videos (which apparently really bother some folks). I’m all in favor of this simple fix, and I really hope the technology will make its way into my DSLR soon.