Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1_2 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7D11 Safari/528.16)

One would hope that your bag is inspected and disposed of at the end of the day, since it is only short term storage.

It shouldn't be much of a security threat since it would have already been through screening.