13 Mind-Bending Social Media Marketing Statistics
Hubspot
AUGUST 31, 2011
Every day, 2,300 new Wikipedia articles are created, adding to its 17 million articles, with contributions from 91,000 active contributors. 45 million people view SlideShare presentations each month. billion will be spent to advertise on social networking sites in 2011, a 55 percent increase over 2010.
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