Forecasting History 39 Social aspects 35 Technological innovations 35 Libraries 29 Twenty-first century 29 Library science 27 more ... Climatic changes 24 Economic aspects 20 Economic forecasting 20 Politics and government 20 Social conditions 20 Economic conditions 19 Philosophy 18 Foreign relations 17 Information technology 17 Environmental aspects 16 Power resources 15 Management 14 Social change 14 World politics 14 Economic policy 13 Effect of technological innovations on 13 Medical care 13 Violence 13 Research 12 Christianity 11 Civilization 11 Libraries and society 11 Mathematical models 11 less ...