However, many tech buyers visit vendor Web sites many times to learn about and compare products, yet few register or leave evidence of their activity. Demand Stream™ includes a Web widget that shows sales and marketing the names of companies visiting the Web site in near real-time. think the idea of an iTunes™ -like interface — and pay-as-you-go pricing structure — for viewing, sorting, and selecting B2B contacts is intriguing. would put Demandbase here along with firms like Active Conversion, Hubspot, iHance, Leadlander, Sales Genius, and Zoominfo.