... measurements and ratios that help marketers forecast, track, discover trends, monitor, and control e-customer behavior, cost, value, and acquisition, Web site traffic, performance, and revenue and e-promotional ... visitors and developing market share. Market share is still important but so too is profit and accountability; both demanded by enlightened shareholders. Business value enhancement and return ... effectiveness of your user interface and the speed and ease of use your site, including transaction processing and purchasing (such as Amazon’s one-click service), and effective promotional activities....