The Ultimate Glossary: 101 Social Media Marketing Terms Explained
Hubspot
JUNE 23, 2010
in contrast to outbound marketing where they used to have to "buy, beg, or bug their way in" (via paid advertisements, issuing press releases in the hope they get picked up by the trade press, or paying commissioned sales people, respectively). Quantcast - Quantcast provides website traffic and demographics for websites.
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