Design, development, maintenance and update of computer hardware and software; providing temporary use of non-downloadable software and applications for managing, locating, activating and revoking authentication and digital credentials of near field communication (NFC) devices; design, development, maintenance and update of application software for mobile digital devices; design and development of computer hardware; design, development, maintenance and update of downloadable computer programs and application software for mobile phones and other digital devices that allows users to access coupons, vouchers, voucher codes, rebates, price-comparison information, product reviews, links to the retail websites of others, and discount information; design, development, maintenance and update of downloadable computer programs and application software that allows users to access sales promotion offers and obtain monetary rewards that can be credited to their accounts via a cash-back system; computer software consulting services; computer hardware consulting services, namely, consultancy in the design and development of computer hardware; computer programming; technical support and consultation services for managing computer systems and software applications, namely troubleshooting of problems; application software provider (ASP) featuring software for receiving, transmitting and displaying vouchers, coupons, voucher codes, special offers, reviews, product information, price comparison information, links to websites, and receiving and transmitting data for the purchase of goods and services; application service provider featuring software for providing consumers with information regarding discounts, vouchers and special offers for the goods and services of others; application service provider services featuring social networking software; graphic design for the compilation of web pages on the internet; providing information relating to the design and development of computer hardware and computer software provided on-line from a global computer network or the internet; creating and maintaining web-sites for others; hosting the web-sites of others; creation of web pages for others; the design, creation and hosting of merchant websites of others; creation of web pages for others; the design, creation and hosting of merchant websites for others; the designing, creation and hosting of bill payment websites for others; data retrieval performed by computer, namely, data recovery; data encryption and decryption of financial information; digital signature authentication services for authentication of others, namely, data encryption and electronic signature verification services using technology to authenticate user identity; data encryption for others, namely, providing encrypted and digitally signed and authenticated data; digital certificate verification, authentication, issuance, distribution and management; technical consultation services for computer programming, security of financial computer networks, security of data processing, secure communications, data encryption and decryption and local area network security in the field of digital certificate verification, authentication, issuance, distribution and management; providing information over a global computer network in the fields of design and development of computer software, computer hardware, financial computer networks and local area networks