K-logs are as much as anything else are a thinking-tool - by opening up your mind to other people you allow your thoughts to be scrutinized, confirmed and/or questioned by different minds with different perspectives - helping to reveal some of your hidden assumptions - your paradigms.
Take a look at this posting by Terry Frazier on k-logs and his link to a posting by Paul Holbrook. What I like here is the concept of 'thinking in public'.
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