Jan, here is my reply to your post : Here is a game to make your PageRank a bit higher. Somebody links in post to you writing something personal in that post and selecing another 5 "victims" who should do similar. Very easy and quite funny as well. So
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Read the complete post at http://blogs.technet.com/michalos/archive/2007/02/22/blog-tagging-or-how-to-push-your-blog-s-pagerank.aspx