Oh, the Subject Lines

Recently, I've been receiving political junk mail. Not as in coming from the political organizations to whose listservs I belong, but as in I've received a number of mysterious Emails from mysterious people with strange names, Emails that have such subject lines as "Sadam [sic] Hussein alive and well!" and "Hugo Chavez dead." I haven't opened them yet, and I'm okay with that, but I have to wonder: is this a coincidence, or have such programs begun to deduce what sorts of Emails I'd be most likely to open?