Hi,
This is a hoot. I expect a lot of the folks here read Slashdot, but just in case anybody missed it:
http://slashdot.org/articles/02/03/06/1 ... ml?tid=172
Reminds me of those stories about a US Intelligence bureau listening under the Russian embassy in Washington for keystrokes and using data analysis techniques to work out what was being typed. I think it's called "sideband data."
Bruce