A method of increasing functionality of a product (121) made by a manufacturer (120). A specification of an additional feature (122) is supplied to the manufacturer (120) for inclusion into a disabled state into the product (121). The technology provider (100) receives an activation payment from a third...http://www.google.com.hk/patents/US20030149579?utm_source=gb-gplus-share專利 US20030149579 - Method of increasing functionality of a product
