This week, content marketing company Kapost released its list of the Top 50 Content Marketers — and Salesforce came in at #10. That’s a big jump: Salesforce ranked #39 last year and did not make the list in 2012. “We’ve worked hard over the past year to make our content useful and interesting to our customers and community,” says David B. Thomas, Senior Director of Content and Engagement at Salesforce. “We’ve built a strong team of brand journalists who work close…