/TR> Business and the Internet are hitched for the haul. To get in on these enriching nuptials, your enterprise must be out there 24/7 with a Web page -- or nowhere at all. At this moment, mouse-clicking Web crawlers are buying, selling, browsing, and contacting clients via the Internet. Having a business presence on the Web means that you are for real and are always ready for action or reaction no matter where your clients are located.