They're responsible for writing press releases, arranging media events, serving as liasons to the media, running NASA TV, running the NASA websites, serving FOIA requests, publishing data, and being a point of contact for questions. Basically, it's the same job as public affairs officers at most larger corporations or universities. A combination spokesperson/coordinator job. There is creativity involved, but they must avoid becoming too creative; their primary purpose is to be a conduit of accurate information, after all. <div class="Discussion_UserSignature"> <p> </p><p><font color="#666699"><em>"People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff."</em> -- The Tenth Doctor, "Blink"</font></p> </div>