There are many text editors you can use with Dropbox on your ipad. You can export and import from Pages now, which is one of the ways I most often edit the files, however, if you want to make sure that all of your files are saved in dropbox and you never have to look, you might want to choose one of these apps.
A fascinating way that allows you to shoot and upload video that is integrated with Google drive. While there is a free version, there are also paid versions for higher capacity requirements. This allows online video editing and easy sharing with social media. This may be the resource we've been looking for collaborative video editing. Eager to try.