The document discusses the concept of "whuffie", which refers to social capital or reputation within online communities. It provides 5 keys to building whuffie: 1) focus conversations inward to understand community needs; 2) become an active member of the communities served; 3) create amazing customer experiences; 4) embrace unpredictable changes within communities; and 5) find a higher purpose beyond individual goals. Following these principles can help increase credibility and influence while benefiting the communities.