If it's only a KeePass database or a small (1MB?) TrueCrypt volume for text/documents, the traffic still won't ever become appreciable. Also, you're implying t

If it's only a KeePass database or a small (1MB?) TrueCrypt volume for text/documents, the traffic still won't ever become appreciable. Also, you're implying that the only selling point for Dropbox is that it uses deltas, which is far from true.