The B2B Marketing Challenge Summary: Peter Spande of TechRepublic explains why marketing to business professionals is a challenge and offers a solution to simplify the process: a marketing funnel. September 15, 2005 -- 22:22 GMT (15:22 PDT) Loading... Please wait. Topics: Browser, E-Commerce Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.