By Jim Butz, Sales and Marketing expert with over 20 years of real world experience strategizing and executing sales and marketing plans for startups, small business and nonprofit. Search for "nonprofit social media marketing" and you'll find a topic that's spiked nearly 500% in interest over the past year. That's not a fluke. Related searches like "marketing strategies for nonprofits" and "nonprofit social media management" are climbing too. Something is pushing nonprofits t