HVAC Control in the New Millennium.pdf - HVAC.Amickracing

HVAC Control in the New MillenniumThe portable wireless area will continue to explode. Cell phonebaseddigital technologies will compete with those meant only for data.Competing technologies for browser-equipped phone connections willclash while creating more features and lower prices. In the near futureInternet-connected telephone/pager/browser devices will becomewidely used.Web AdvancesThe Web was originally designed to display text. Later, graphicswere added and the Web grew quickly. In the future, Web sites will bemore intelligent about their users, their content and the content of othersites. New Web approaches include personal interfaces, bots and searchtechniques.The Web’s most noticeable trend is toward personalization. Wehave seen personal portals such as My Excite, where users customize thesite telling which categories and information they want.More Web sites are becoming aware of their visitors and customizingthe information they provide. These sites track visitors by givingthem log-on names and passwords or cookies that are stored in thebrowser. Web site cookies are files that store information on visitors tothat site.The next step is for a Web site to customize its information withoutyou expressly telling it what you want. Future sites will track what youtend to look at and offer it to you without your intervention.Collaborative filtering is another technique that makes sites appearsmart. Software from Firefly Network (which was acquired by Microsoft),Net Perceptions, and Andromedia match users and sites forproducts and services. These personalization services compare your webuses with others.DirectHit uses a variation of this for Web searching. When you aredoing a Web keyword search, Direct Hit points you at the site that themost users have visited. This type of popularity technique is used bysites like HotBot and ZDNet.Another trend is the use of bots or agents. Bots, which is short forrobots are tied to Web sites. They query other sites to help you findinformation which can include prices on products and services. In thefuture, you may have your own agents that reside in your computer.©2001 by The Fairmont Press, Inc. All rights reserved.