Comment Not big boom; but, lotsa boom... (Score 5, Funny) 44
Personally, I try to work the words "bomb plan", "explosive" or "sulfuric acid as a catalyst" in all of my instant message conversations online. The poor analysis software must get lonely without stuff to find in most communications.
Of course a real anarchist bomb making skeptic might also include words like "tax dodge" or "after downing street" in their mail...