In a survey conducted by Atlanta-based e-mail services provider Silverpop, e-mail marketers ranked online marketing/search; offline advertising/direct marketing; trade shows; and cross-promotions as the four most successful methods of growing their e-mail lists. So what tactic were respondents most likely to implement during the next 12 months? Viral marketing.
Twenty-four percent of the 321 marketers who participated in Silverpop
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