2008 CPM Viral Marketing Word of Mouth 
Hubspot
DECEMBER 21, 2010
CPM (Cost per thousand) - In email marketing, CPM commonly refers to the cost per 1000 names on a given rental list. For example, a rental list priced at $250 CPM would mean that the list owner charges $.25 Viral Marketing - A type of marketing that is carried out voluntarily by a company’s customers.
Hubspot
FEBRUARY 17, 2012
CPM (Cost Per Thousand) - In email marketing, CPM commonly refers to the cost per 1000 names on a given rental list. For example, a rental list priced at $250 CPM would mean that the list owner charges $.25 CPM (Cost per thousand) - In email marketing, CPM commonly refers to the cost per 1000 names on a given rental list.
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