analyized how the “top 50” blogs are related to each other:

“there are upwards of 27 million blogs in the world. to discover how they relate to one another, we’ve taken the most-linked-to 50 and mapped their connections. each arrow represents a hypertext link that was made sometime in the past 90 days. think of those links as votes in an endless global popularity poll. many blogs vote for each other: ‘blogrolling’. some top-50 sites don’t have any links from the others shown here, usually because they are big in japan, china, or europe