TWA, for example, offers an email alert service for fare changes between various cites specified when registering for the service. Other travel-related sites, including Travelocity , cover fares offered by various carriers. News Alert email ClipAlert services can be created for industries, companies by name or ticker symbol, and keyword combinations. The service will automatically send email messages when articles on the specified industries, companies, and keywords appear in a wide range of sources such as business newswires, stock quote services, and other corporation analysis sources. The profile setup includes a desired email report frequency ranging from real time to daily.
Some alert services are free, others are available for a fee.
Personalization and Collaborative Filtering Personalization is a way to make the information search process more closely match the interests of an individual and to save time. In most cases as with the email alert services, this requires registering and creating a profile of personal interests. A series of forms are completed in which one selects particular interest areas. World news of special interest, such as newspapers from certain countries, can be selected. Scores for favorite sports can be selected for automatic display as can local weather conditions.