For you literary types, welcome to your next addiction (click).
The New York Times has digitized articles from 1851 to 1922 and put them on the web. You can read about the end of WWI, or the sinking of the Titanic.
This is a monstrously cool example of some tech stuff called 'clustering' or 'cloud-computing'. The data and the software are hosted on a giant network of computers at Amazon. The cost of doing this was incredibly small: as software and data scale up, economics get strange indeed.