• System consists of small cells
• Team as system ⇒ Same pattern as for small code functions
• 148,5 meaningful relationsships based on human brain
• Units of max. 150 people
• Military: importance of small teams; Fire team 3+1; Small autonomous teams
• Smaller team gets better results, less control needed

Team familiarity ⇒ enables self-organization

Brook's law (Mythtical man month): The more plp you add, the more time the project will take.

Measurable by “Process loss”. E.g. indicator: merge conflicts.

Pluralistic ignorance: Plp agree, but are actually afraid of speaking up

Diffusion of responsibility: Who is doing what, things getting dropped ⇒ team too large.