The most important blog metrics answer the questions: who is engaged, and how deeply engaged are they? This post offers three different measurements of blog reader engagement, and why that matters to non-profit organizations.

What are the pros and cons of using Mr. Tweet to help your non-profit get the most out of Twitter? Does Mr. Tweet, "your personal assistant." help non-profits find key influencers? I look at how non-profits are using Twitter, the value of an assistant like Mr. Tweet, and other resources for connecting to non-profit Twitterers.

A New York Times article on energy efficiency inspires thoughts on peer to peer fundraising. Does peer giving -- knowing who else is giving and what amounts -- make social network fundraising more effective?