For decades people have spent the majority of their working lives sitting in offices.
But while offices are still commonplace, today's workplace has very little in common with that of our grandparents' generation. Typewriters have given way to computers, computers and phones have shrunk down to devices we can carry in our pocket and ubiquitous internet means work is always with us, for better or worse.
The contribution of modern technology to each worker's productivity is nearly five times greater today than it was in the 1970s, according to a study by the Centre for Economic and Business Research, conducted on behalf of telecoms operator O2.
This scene captures the office of the 1950s and 1960s, from the solid metal Remington typewriter to the bulky Bakelite hand-dialled telephone. The receptionist would generally have operated the switchboard and routed all of the calls.