Tune Up Your Targeting Summary: Chas Edwards warns that while micro-targeting is efficient, there's also value in targeting broader audiences in terms of keeping overall revenues high and creating new demand. June 3, 2005 -- 16:22 GMT (09:22 PDT) Loading... Please wait. Topics: Banking, Enterprise Software Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.