train (1) technologie (1) spectacle (1) secteur des services (1) science (1) papier (1) modèle (1) innovation (1) infrastructure (1) information (1) diffusion (1) densité de population (1) public (1) Development (1) Employees (1) Technology (1) Science (1) Population density (1) Paper (1) Municipal government (1) Manufacturers' agents (1) Example (1) Diffusion (1) Commission merchants (1) Cities and towns (1) Business enterprises (1) Adoption (1) Ability (1) Regions (1) Technology (1)