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a browser client could have a  toggle switch 
for browsing openly/anonymously, which would 
respectively enable/disable the sending of 
Referer and From information.

perl -e 'print "How sweet does a rose smell? "; chomp ($n = <STDIN>); 
+$rose = "smells sweet to degree $n"; *other_name = *rose; print "$oth
+er_name\n"'