] A link to a site you read isnt the same as a link to
] someone you know through their blog or someone you
] actively collaborate with.
]
] After reviewing data of work relationships, information
] flows and knowledge exchanges from hundreds of consulting
] assignments inside Fortune 2000 organizations Valdis
] Krebs did not see much evidence of power laws in this
] data. His data is of confirmed ties [both persons
] agreed/recognized their mutual
] interactions/flows/relationships] from a worldwide pool
] of clients dating back to 1988. Of course he found some
] people were better connected than others, but the extreme
] hubs found in power law networks just were not evident.

Ross Mayfield's Weblog: Looking at weblog networks