Computer software for providing limited access to data and third-party web sites and web content over a computer network based on installation and use by third parties of the aforementioned software; computer software to identify and execute keyword, banner, optimization, and other Internet search advertising placement and execution; computer software to track, log and analyze Internet usage habits, Internet searching habits, and customer loyalty; computer software for compiling, analyzing, storing, sorting, organizing and distributing demographic, lifestyle and behavioral data and information; computer software for generating market research data, reports and analyses, and other information for marketing and advertising purposes; computer software to facilitate comparison shopping via the Internet; computer software for searching, compiling, indexing and organizing information on the Internet; computer software for creating indexes of information, indexes of web sites and indexes of other information resources; computer software for creating searchable databases of information and data