Both [Kelly and Latour] are trying to locate agency somewhere other than in its traditional home of individual humans, but while Latour distributes it throughout the material world, Kelly seems to locate it in some transcendent heavenly omega point. That's why ultimately Latour seems to be more of a humanist -- the desires he talks about are human-scaled, even if they inhabit odd objects.
In my 2010 book, What Technology Wants, I made this argument, which I believe is the first time anyone suggested that humans domesticated themselves: