A method for using an electronic transaction device with an electronic transaction service provider may include the steps of registering the electronic transaction device with the electronic transaction device service provider, registering a plurality of accounts corresponding to a plurality of service institutions, providing a data connection between the electronic transaction device and the electronic transaction device service provider, and storing account information for a plurality of service institutions at the electronic transaction device service provider. The method may also include the steps of providing access to a database of client information to the client and analyzing transactional information in the database of client information for a plurality of accounts. The method may also include the steps of designating a portion of the client database non-confidential; analyzing the portion of the client database designated as non-confidential for preferences and patterns; and providing analyzed transactional information to a plurality of vendors.