Being rather sad I do occasionally look at the webservers logfiles, and as I found a url to a domain called "radian6" I looked it up, and thsi is what I found L

Who is Radian6?

You have likely found you way to this page because you were curious about our crawlers, having seen them in your logs, and noted this page was present in the UserAgent string. Radian6 is a social media monitoring company that has developed a product offering specifically tailored to PR and marketing companies, that helps companies find and listen to conversations about their brands. You can find out more about our company at www.radian6.com.

If you have seen our crawlers visit your content, then that is because you have written about topics that are of interest to companies and brands that are using our system. This is good for you, as it means your voice is being heard, and the number of subscribers for your content has increased.

What is R6_FeedFetcher?

R6_FeedFetcher is our main RSS update crawler. It is responsible for checking RSS feeds periodically, looking for updates to your feed. The behavior of this agent should look much like any other RSS update agent. If you have concerns about how it is interacting with your content, or would like to have your content removed from our subscription list, please provide details and email them to support@radian6.com.

[From Radian6 Crawler FAQ]

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