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3. Direct Marketing Association (2010), “Spending on Social Media Highest Among U.S. Marketers Using the Emerging Channel to Deepen Customer Loyalty, Research by DMA and COLLOQUY,” New York, August 27 (available at www .the-dma.org/cgi/dispannouncements?article=1482/).
4. Featherstonebaugh, Brian (2010), “The Future of Selling: It’s Social,”Forbes.com,December 3 (available at www.forbes .com/2010/12/03/future-of-selling-leadership-sales-leadership-ogilvyone.html).
5. Fredricksen, Clark (2010), “Case Study: How IBM Uncovers ‘Millions of Dollars’ Worth of Sales Leads with Social Media,”eMarketer,April 30 (available at www.emarketer.com/ blog/index.php/case-study-ibm-drives-millions-dollarsworth- sales-leads-social-media/).