Providing a searchable on-line advertising website and guide featuring an inventory of advertising space offered by others via the Internet; providing a website for buying and selling advertising space, for conducting transactions for the purchase and sale of advertising space, and for tracking and reporting regarding advertising sales and advertising data

Application service provider (ASP) featuring software for use in searching an inventory of advertising space offered by others via the Internet and for uploading advertising space inventory data to the internet and computing clouds for others; application service provider (ASP) featuring software for buying and selling advertising space and for conducting transactions for the purchase and sale of advertising space; application service provider (ASP) featuring software for Internet-based communication and electronic messaging and for advertisement management by tracking and reporting in the field of advertising sales and advertising data; providing a secure electronic online system featuring technology that allows vendors to submit electronic invoices to purchasers of advertising space, and for processing of electronic invoices and payments; application service provider (ASP) featuring an application programming interface (API) online that enables users to integrate data and information between different websites, software applications, and devices; computer services, namely, uploading, indexing, and displaying advertising space inventory data to the internet and computing clouds for others