There have been a lot of conjecture on what is going on in each
scene from the recently released trailer. I offer a new
perspective on one particular image.  I submit for your
proposal, that the shot of the children 'hooked up' to machines
are not simply clones, but are actually TELEMARKETERS! If you
look at them closely, you will see that each has a headset and
somekind of switchboard in front of them. That symbol on their
shoulder is actually the corporate logo for CT&T (Coruscant
Telephone and Telegraph).  Let's think about this rationally.
What could be the potentially most menacing power in the
universe? TELEMARKETERS!  The cloning of these fiends makes
perfect sense in that in the SW universe there are a huge number
of worlds. In order to sell vinyl siding, long-distance calling
plans, and car rustproofing to trillions of Republic citizens
you would need a countless amount of callers to reach all those
potential consumers. By using the cloning technology the Sith
could fill this huge void and annoy all