Nuns, monks, preachers and the people they educated were to visualize the material they were processing. A branchy tree or a finely feathered angel. The images might loosely correspond to the substance of an idea.
The point was to give the mind something to draw, to indulge its appetite for interesting forms while sorting its ideas into some logical structure.
To fall in love with someone feels like such a personal and spontaneous process, it can sound strange - and even rather insulting - to suggest that something else (we might call it society or culture) may be playing a covert, critical role in governing our relationships in their most intimate moment
The telegraph, telephone, and dictating machine changed the concept of work and office design as telecommunications meant office could be separate from factories and warehouses and differentiate between white and blue-collar workers.
While these technologies made a distributed workforce possible, American offices became more centralised.
Online connectivity potentially ensures a move away from the office to working from home.