I have recently switched to this wordpress from xanga. It was easy as I had written just one blog in my previous technology blog , so all I had to do was copy and paste it here. But with my personal blog it has a different story. I have written so much in it that now I can’t manually copy, paste and format it on a new blogsite. I wish I had a software which would do this for me. Blogs are growing day by day and people would be changing blog sites more and more as better ones come up. Hence demand for such a software would be rife. Any blogsite which apart from being attractive also has the feature to import blog entries form other blog sites which the writer owns would have a big advantage. So look out for it!
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http://www.timwylie.com/xword.html can download all xanga posts and comments and export them into an xml format that can be imported to wordpress.