Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_0_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8A306 Safari/6531.22.7)
Most meta data attaches to the file itself. Some stuff such as descriptions are stored in the XML file.
Atleast this has been my observation. Maybe I\'m wrong, I\'m willing to admit.