It is rumored not to work well at Valve either. Once you get past Dunbar's number, subgroups form. It's better to make them explicit. Otherwise you tend to get

It is rumored not to work well at Valve either. Once you get past Dunbar's number, subgroups form. It's better to make them explicit. Otherwise you tend to get cliques, which are probably worse than hierarchy: http://www.wired.com/2013/07/wireduk-valve-jeri-ellsworth/ http://www.wired.com/2013/07/wireduk-valve-jeri-ellsworth/