=== DropBox as file upload===
Again first step includes the [[DropBox]https://www.digitalocean.com/community/tutorials/how-to-install-dropbox-client-as-a-service-on-centos-7 headless Dropbox Client] HowTo.
The wordpress plugin called [http://wordpress.org/extend/plugins/dropbox-upload-form/ Dropbox Upload Form].
This plugin lets you insert an upload form on your pages so visitors can upload files to a Dropbox account.