Cloud > Upload scene snapshot) and various plugins. It works by checking your current project assets against the ones that are already on the cloud and just those that have changed are uploaded, so you don't need to upload your whole scene every time you make a small change. Of coursethe first time you upload a scene snapshot all your assets will be uploaded.
Also, if you share assets across various projects, once an asset is on ORC you won't need to upload it anymore even though it is used in a different project.
