Searching and retrieving information, sites, and other resources available on computer networks for others; Providing use of online, non-downloadable software in the field of data analysis, for use in evaluating, measuring, reporting, and optimizing performance of targeting and marketing to healthcare audiences; Software as a service (SAAS) services featuring software for the collection, editing, managing, organizing, modifying, bookmarking, transmission, storage and sharing of data and information; Software as a service (SAAS) and platform as a service (PAAS) services featuring software for allowing users to review past advertising campaign results, to compare analytics, and to modify and optimize advertising campaigns; Software as a service (SAAS) and platform as a service (PAAS) services featuring software for analyzing and reporting on success of prior advertising campaigns, for collecting and analyzing metrics to assess success of prior advertising campaigns, and for developing reports related to the foregoing; Platform as a service (PAAS) services featuring a platform that allows users to build advertising strategies based on historical metrics; Providing online non-downloadable software using artificial intelligence for use in advertising, analyzing advertising interactions, analyzing response and effectiveness of advertisements, and for providing advertising recommendations; Providing online non-downloadable software for advertising optimization