Heather Mansfield is the creator and principal blogger at Nonprofit Tech 2.0 (www.nonprofitorgsblog.org) and its many related resources about social media and mobile technology. She has more than 500,000 online followers, fans, and friends on Twitter, Facebook, LinkedIn, Flickr, YouTube, and Foursquare, and has presented more than 500 social media webinars and training to nonprofits worldwide.