In one of the companies I worked for, it was comfortable in the beginning - there were offices, 2-3 …

… In one of the companies I worked for, it was comfortable in the beginning - there were offices, 2-3 programmers in each, not too crowded, but close enough to see when the coworkers were focusing on something and when it would be ok to do a quick "hey, do you know how to...". The company grew, moved to a bigger building, rooms became larger, now there were 4-5 programmers in each. It was still OK then. Calls and longer talks were done in separate rooms, and a quick chat with the guy next to you could be done like you'd do it in a cinema - quietly. When I was leaving the company years later, it was after it moved to a place with one huge open space and a set of rooms that you needed to book days in advance to use. Some of them were permanently occupied by "important" people even though they had their own offices. That resulted in everybody and they're cat making calls and meetings and sometimes even plannings right in the middle of the open space or in the kitchen. Finally, a "hot desk" system was implemented, and you had to book your desk days in advance . …