"::::: Please remember Chris, I use Macs.  I don't use Firefox and to be honest don't really care about it that much.  While this may be a big IE vs. FF fight for you, I just want Microsoft to improve IE.  I don't care which browser people use.  

 ""they do not and have never existed""  What does not exist?  BHOs that silently install themselves from the web?  

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