Providing customized on-line web pages featuring user-defined information in the field of travel and vacation planning, which includes search engines and on-line web links to other web sites in order to create an on-line information service; Computer services, namely, extraction and retrieval of information and data mining in the field of travel and vacation planning; Computer services, namely, creating indexes of information, indexes of websites, and indexes of other information sources available on computer networks in the field of travel and vacation planning