They are successfully backed up in your associated online accounts. Here are the details as to what really happens to your files. When you click upload button, Picbackman first creates an album of the same name as your associated folder in your associated online accounts. Then it starts the backup process. At the bottom of the upload window, you’ll see two status bars. One displaying the number of photos queued up to be uploaded and another displaying the number of photos successfully uploaded.
PicBackMan is a free photo/video uploader that helps you to keep your memories backed up to your favorite online services.
Users in 130+ countries have backed up.
... an excellent job of uploading more then 300GB of photos to 2 different services