Designer, implementor, user, writer A Fragment by Donald Knuth dl.acm.org Thus, I came to the conclusion that the designer of a new system must not only be the implementor and the first large-scale user; the designer should also write the first user manual. The separation of any of these four components would have hurt TeX significantly. If I had not participated fully in all these activities, literally hundreds of improvements would never have been made, because I would never have thought of them or perceived why they were important. Eating your own dog food making
Serendipity This was not meant to be like Bell Labs; there were no expectations that the clerical workers would run into their managers in a “serendipitous encounter” and produce a new innovation. The ideas was rather to create a workplace in which status barriers seemed to dissolve, in which participation and friendliness all around made the work environment look less like the white-collar factory it was. Nikil Saval, Cubed The Art of Doing Science and Engineering: Learning to Learn teamworkcommunication