Comment 23 for bug 934887

(In reply to comment #17)
> Ha, mentioning the MSIE UA string in this context was the worst example you
> could choose, it's full of additional junk these days indicating where the
> download came from and what features are installed. Most notably, the .NET
> versions are broadcasted (and thanks to Microsoft's carefulness also with
> Firefox browsers unless the user disables the global add-on and removes the
> UA-string additions it made), so this is a nice way for fingerprinting.

Microsoft is getting rid of that stuff in IE9.