user automatically when an identifier is captured in the case of a buyer unit having a wide area network e g 3g communication capability the user can select a set up mode in which the buyer unit automatically transmits a captured identifier to the profile server causing a product profile to be downloaded automatically finally the user can select an option by which a bluetooth interface is enabled in order to connect the buyer unit to a buyer personal computer pc when an identifier is submitted to the profile server the server checks its validity if the identifier is invalid the server returns an error message if the identifier is valid and the product profile i e detailed product information is available the server streams the profile to the device either a buyer unit or a buyer terminal that is used to request the profile the product profile is essentially an html encoded web page which can be rendered natively i e displayed as an html coded profile or displayed using a resident browser in the buyer unit or in the buyer 39 s terminal the product profile can be rendered natively if the operating system in the buyer unit has an html rendering application programming.