Google Drive is Google's file sync app that lets you store all of your files online alongside your Google Docs documents, and keep them synced with all of your devices.
Group duplicate creative files for the project owner's review.
You get a Friday email grouping exact duplicate files. Extra copies carry review notes pointing to the oldest file to keep.
Clear duplicate creative files and send owners a cleanup log.
Keep shared project folders tidy: this cloud duplicate file finder trashes confirmed extras and emails owners a Friday cleanup log.
Keep creative review requests supplied with available video files.
Your reviewers get a playable video on the request when the source offers a download. Your producer gets a clear reason when it doesn't.