On this day Fri, 20 Nov 2009 11:32:27 -0800 (PST), one purporting to be emc
<bobatcpu@gmail.com> screamed :

MY SCREEN SAVER SHOWS WEIRD FLAT BAR SIGNALS  SOME TIMES, NORMALLY IT
SHOWS SPIKES OF VARIOUS HEIGHTS.DOES THIS MEAN I AM GETTING UNKNOWN
DATA FROM SETI????

Time for the KitchenTinFoil Hat! 
They may be getting ready to use your PC to
teleport down. Check the Large Hadron switch
on time.

Run.