Historians and genealogists of a certain age may recall the heroic patience required for conducting newspaper research in the analog age. Before digitization, every search involved hours flipping page-by-page through back issues or seated before the whizzing reels of a microfilm reader that always advanced too slowly or too quickly. With the arrival of the computer age, all that changed. High-resolution scanners, ever-improving optical character recognition software, and an advancing internet have made it possible to instantly discover single small references to a given subject among millions of pages from newspapers all over the world. Research projects that might have...