Computer services, namely, designing, developing, and maintaining computer software applications for others and consulting services related thereto; installation of computer software; updating of computer software; software as a service featuring software for use in database management and for use in connection with integrating electronic messaging systems, emails, data and information; cloud computing featuring software for use in connection with integrating electronic messaging systems, emails, data and information; application service provider, namely, hosting, managing, developing, analyzing, and maintaining applications, software and web sites of others in the fields of advertising, marketing, sales and business