Here is some new stuff within Mountain Lion: Once you enable Documents & Data in the iCloud Control Panel…
You can then start manually uploading documents from your Mac to the iCloud using this screen:
Open Textedit (it must be closed while you enable Documents & Data) and hit “Open.” A manual uploader box will appear like so:
Once you drag a document to the window, it is available across all your Cloud-connected devices.
FTC: We use income earning auto affiliate links. More.