Richard Rodger, Professor of Economic and Social History at the University of Edinburgh, and Chris Fleet, the Map Librarian for the National Library of Scotland talk about the historical Post Office Directories of Scotland and how [the website] AddressingHistory
is combining the Directories with maps [i.e. georeferencing].
Slightly underwhelming video but bang it out then check the website
... Very cool to see how groups of people (cobblers, bakers... whoever) congregate in sections of the city then move over time.