Design and development of computer software; computer search engine software; installation and maintenance of computer software; providing websites featuring temporary use of non-downloadable software, namely, software for use in facilitating the advertising and marketing of restaurants to consumers and for restaurants to manage customer order information; user authentication services using single sign-on technology for online software applications; user authentication services using technology for e-commerce transactions; design and development of computer hardware and software; consulting in the field of configuration management for computer hardware and software for the hospitality industry