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Do you think it may have any SEO effect? since there are outward links constantly changing, is there a chance you may get hit with a penalty?
(I personally cant afford any more penalties ;) )
I just added it an hour ago and actually like it. I selected ONE relating keyword and filtered the tweets accordingly. There are modules to do this but also under the Goodies on their websites footer you can easily add the script to your blog or site.
So what do you think?
You may be better not having it on your homepage. Make sure your content gets the major focus.