A social network service focuses on building online communities of people who share interests and activities, or who are interested in exploring the interests and activities of others.

Most social network services are web based and provide a variety of ways for users to interact, such as e-mail and instant messaging services.

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Measure – gather evidence of how many and who you are reaching

Listen before you act – there is no “build it and they will come” mentality here

Let people be the brand – connect with your audience (internally or externally)

Who runs your community? – need to have a community manager (accountability)

Content it king – get your executives to “buy in” and contribute; use the wiki for meeting notes

Stay the course and invest – if necessary, consider monetization of the effort

Encourage adoption – everyone should know how they can participate

Pixels vs pennies – use badges, awards, other recognition vectors

Close the loop – make sure you act on feedback