| http://www.w3.org/ns/prov#value | - carried out on a portable electronic device. [0020] In accordance with a more limited aspect of the present invention, the device is a PDA, a cellular telephone or a laptop computer. [0021] In accordance with a more limited aspect of the present invention, reminding the individual includes providing at least one of an audible, visual or tactile indication to the individual that their actual locati
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