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# 1 Internet Advertising-Online Advertising Agency - Opt-In Email Marketing Services ReviewsPermission-based email has evolved into a vital part of the marketing and communications mix. Offering new marketing flexibility with shortened campaign timeframes, it is a fast, effective and low-cost method of interacting one-on-one with customers and prospects. According to Jupiter Communications, opt-in email marketing expenditures will take over 13% of direct mail revenues by 2005. |
| Rated 3 by visitor(s) |
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