“It turns out that a typical working day (9-17) would usually only give around 5-6 hours of actual work, while the rest of time would dissolve on low-focus work, chatting to people, coffee breaks and other little distractions.”
A full year logged in 15-minute slots, and the eight-hour workday turns out to hold five or six. Every manager who counts hours at a desk already knows this. Hitting eight focused hours took a 13-hour day. The office is mostly a place to be seen working.