35 Collection and systematisation of information into computer databases; On-line business directories featuring hotels; Collection and compilation of information into computer databases in the field of hotels; Compilation and systemization of information into computer databases; Electronic catalog services featuring hotels; On-line buyers guide service providing information in the field of hotels; Providing a searchable online advertising guide featuring the goods and services of online vendors; Providing a searchable online advertising guide featuring the goods and services of other on-line vendors on the internet; Providing on-line web directory services featuring hyperlinks to the websites of others; Providing price comparison services in the field of hotels via the Internet; Providing pricing information about the goods and services of others via the global computer network; Advertising and directory services, namely, promoting the services of others by providing a web page featuring links to the websites of others; Advertising services ; Advertising services, namely, providing information as to the availability of hotels for rent or purchase; Advertising services, namely, promoting and marketing the goods and services of others through all public communication means; Advertising services, namely, cost-per-action on-line advertising