Darien, Conn.

E-mail personalization is a lost opportunity, says David Daniels, research director at JupiterResearch, a Darien, Conn.-based business research firm. Such a lost opportunity is particularly troublesome, he says, in an era when the technology to do personalization is readily available. E-commerce merchants who responded to the e-tailing group’s fourth annual Merchant Survey, released last month, admit they still have a way to go in this arena. Following is how they answered the question: How do you define personalization relative to your Web site and e-mails? ¥ 7% said their sites dynamically show products based on customers’ past purchases. ¥ 14% offer tools that allow