Aim of this section: The word "topography" is partly derived from the Greek word "topos" which refers to "place" and the term more generally to the science of physical features [of a planet]. I should say that the Landscape section sticks more rigidly to that definition than this Topo section - which is as much about recording aspects of social history of the people, places and organisations though the channel of a number of projects undertaken form the late '60's to date.
Data: from paper ... to the data deluge!
When I joined Ordnance Survey in 1969 there was not even a whiff of data around apart from the finance department and as regards maps perhaps in a few select university labs. Organisations were only just getting to grips with computers to pay salaries and then manage wider accounting needs. When I left in 2011 - data was the lifeblood of the organisation.