I also really didn't know quite what to make of this when I first saw it. In some ways it's a fairly typical expat community kind of thing, on the other hand there's something very not typical about this particular expat community.
Anyway, there are a few floating around the internets, of varying degrees of creepy.
...and Baghdad Daily says death toll from bombings in Baghdad is 66 and climbing...
...make that 127 and climbing...