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.
Keep approved photo originals and email the copies trashed.
See which original photos stayed in your library and which exact copies went to trash. Your asset manager gets a keep list and review cases by email.
File topic-named video copies with an index of their original links.
Your creative team gets a shared folder of playable videos, with a source index and download results on the weekly list.