Email marketing spending will grow from $1.2 billion in 2007 to $2.1 billion in 2012 according to a new JupiterResearch report, "US E-mail Marketing Forecast, 2007 to 2012."
Spending on retention email will more than double during that period and account for over half of total email marketing spending in 2012. Acquisition email marketing will grow more slowly, with most spending in that category going toward sponsorship (for example ad supported newsletters).
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