Computers; computer programs for use in processing of credit card transactions and other financial transactions; computer network and terminal equipment; point-of-sale computer terminals; circuit boards; digital pens; digital forms; electronic data entry pads; controllers and plastic cards for controlling access to computer systems and networks, and for establishing identity based on various biometric properties; user manuals; books, brochures, data sheets, white papers, catalogs, and magazines in the fields of computer and information technology, financial and insurance services; providing services of data processing, transaction processing, business intelligence, analytics, reporting, data mining, and market research; providing consultation services and advice in the fields of computer hardware, computer software, computer peripherals, computer systems, computer networks, computer security, and data and transaction processing; leasing services in the fields of computer hardware, computer software, computer peripherals, computer systems and computer networks; installation, maintenance and repair of computer software and hardware; verifying the authenticity and scope of authorization of signatures; verifying identities using biometric techniques; processing electronic transactions