Suppose I need to know how Wagner's reputation rose and fell in 19thC Dublin-- could a database be built that tracked this level of detail? Could it be extended to include all fashions at all times?
4D VR generator offers increasingly-best guess what any place and time on Earth looked like. Using historical maps and databases guesses what cities looked like. Fills in gaps with algorithmic approximations.
A image annotation plugin which allows individual and community annotations in a threaded discussion format.