The document discusses how social networks and the online social graph are changing how nonprofits engage with supporters. It defines the online social graph as the map of connections between people on the internet. It argues that nonprofit development officers will need to focus on being connected to supporters online, rather than just knowing people personally. Community managers will need skills like listening, engagement, and network weaving to leverage social networks and help nonprofits work beyond internal boundaries. Examples are given of how monitoring social media and engaging with supporters online can help nonprofits build relationships and increase fan growth over time.