Dropbox Automator combines time-saving task mastery with perhaps our favorite cloud storage solution. The service watches a designated folder for uploads, when a new file is added an action is triggered -- everything from converting documents, to resizing an image or tweeting a link. And that's just scratching the surface. There are already plenty of automation scripts in the fledgling service's repertoire and devs can add there own by creating a SOAP webservice. Hit up the source link to get started now.