Plex is developing an online content locker system that would enable users to watch videos on the road without the need to have a server left on at home. Plex cloudSync will work by hooking up to a storage service like Dropbox, letting you stream video anywhere you go without having to pull it from your domestic setup. Naturally, the digital locker would retain all of the Plex features you know and love, including using PlexSync to flag content that you want automatically formatted and saved on your mobile device. The company isn't in a position to launch the service just yet, but we got