Speaking of Our Moment Being Now, my government is calling me to service on behalf of the Library of Congress. CNET reports that it has put 3,000 public-domain photos on Flickr, and is relying on crowdsourcing to get them all categorized: users are encouraged to tag the photos appropriately. Here's the Library of Congress Flickr page.

Photo: Woman aircraft worker, Vega Aircraft Corporation, Burbank, Calif. Shown checking electrical assemblies (LOC)