Are Nonprofits Using Social Media Effectively?

Are nonprofits utilizing social media to engage folks? Organizations like the American Red Cross and the Wilderness Society sure are, but many nonprofits need to do a better job. After taking a look at the Nonprofit Times list of 100 top nonprofits based on income, my team over at craigconnects checked out who was proactively and effectively utilizing social media in August and September of 2011.